Blackberry simple tips

For those of you who just know these smart phones, it's worth trying a few simple tips and following this tips.

1. Restart Without Removing the Battery
After installing an application or want to run the new service, there are usually some adjustments. Well, the most frequently used to solve it is by restarting your BB, then remove the battery.
The purpose of this is actually a way to refresh the memory of the initial weight. However, less effective and was impressed complicated. Actually there was an easier way, ie: press ALT + RIGHT SHIFT + DELETE. This way you can also refresh the memory and reset the BB without wasting time.
2. Clean Memory at Event Log
Event logs on the BlackBerry shows what the system is running. When experiencing an error, to see a list of event log, the central issues can be found. Hence, in this way can also be used as a solution when BB error.
The way to access the event log, you first have to be on the home screen. Press ALT followed by typing 'LGLG', the event log will soon appear.
You can free up memory being full is to speed up your BB. You do this by pressing the HOME and select 'Clear Log'.
3. Switching Applications
One way to move quickly and efficiently in applications is to use ALT + ESC keyboard BB. The function of this feature is true just like the ALT + TAB on the computer.
When running an application, press and hold down the ALT key and immediately followed by ESCAPE button (left arrow logo right of the trackball). By simply shaking the trackball to the right and left, you can also choose the desired application. Meanwhile, to get into the application is enough just to remove them.

J300 Joystick Jumper

Philips Phone Secret Code

* # 7728 * #: (RSAV)
* # 7733 * #: Viewing Clutser in use
* # 7762 * #: Set SMS Bearer GPRS / GSM.
* # 7763 * #: Viewing Product Information.
* # 7766 * #: Viewing product version, in which the date for the pembuatan_nya
* # 7726 * #: Enabling Option for additional accessoris Vibrator.
* # 7337 * #: Master Reset, (sim card must be off first, so that the data on the card is not also be deleted).
* # 7343 * # Displays Clustser Code.
* # 7352 * # Displays the contents of Register software.
* # 3352 * #: Reset.
* # 337 * #: Turn on / off EFR
* # 3377 * # Displays EEPROMP conditions, from the Battery, radio, etc..
* # 7224 * #: Activate GPRS Class C.
* # 7222 * #: Enables GSM CSD Class C.
* # 7233 * # Displays the code address.
* # 7252 * #: Mengaktifkn GPRS Class B.
* # 7271 * #: Enabling GPRS Class 1.
* # 7274 * #: Activate GPRS Class 4.
* # 7276 * #: Turning GPRS Attach.
* # 7287 * #: Changing the status of GPRS Attach be attached.
* # 7288 * #: Changing the status of GPRS Attach to Try Attached.
* # 7524 * # Displays KCGPRS.
* # 7562 * # Displays the SIM Phase.
* # 7629 * # Displays POOL MAX.
* # 7632 * # Displays Code bugging of Sleep Mode.
* # 06 # Displays your IMEI (International Mobile Equipment Identity).
* # 3353 * # Reset phone.
* # 7337 * # Reset phone (Master reset), the SIM card was revoked ..
* # 337 * # Activate / deactivate EFR.
* # 7693 # Activate / deactivate the Sleep Mode. Activate it to save battery consumption when mobile phones are not being used.
* # 8463 * # Displays some information Sleep Mode: Wake, Sleep Req., Sleep.
* # 2286 * # Activate the battery data.
* # 7948 * # Turn off the phone.
* # 7728 * # Displays RSAV.
* # 7524 * # Displays KCGPRS.
* # 7562 * # Displays the SIM Phase.
* # 7629 * # Displays the MAX POOL.
* # 7632 * # Displays the Code bugging from sleep mode.
* # 7733 * # Displays the active cluster.
* # 7343 * # Displays the Cluster code.
* # 7352 * # Displays the registration software.
* # 7763 * # Displays the product information.
* # 7766 * # Displays the product version.
* # 7326 * # Displays the choice of accessories for the vibrator.
* # 7276 * # Activate the GPRS Attach.
* # 7287 * # Activate the GPRS-attached.
* # 7288 * # Activate GPRS Attached Try.
* # 7271 * # Activate GPRS Class 1
* # 7274 * # Activate GPRS Class 4.
* # 7252 * # Activate GPRS Class B.
* # 7224 * # Activate the GPRS Class C
* # 7222 * # Activate CSD GSM Class C.
* # 7762 * # To setup SMS GPRS bearer.
* # 8377 * # Displays the software version.
* # 3377 * # Displays EEPROMP conditions.*#2254# Status Register.
*#2255# Active/Deactive “Debug Call”, when activated, make a call to a busy line an the phone will display some hex-codes on the display.
*#2558# The time in days, hours, and minutes you are connected to the net..
*#7489*# atau *#1234*# Security Code.
*#7378*# Name, Length, SIM Phase.
*#3333*# Blocking list.

Motorola Phone Secret Code

1. * # 06 # Displays your IMEI (International Mobile Equipment Identity).
2. * # 303 # OK Change to english.
3. * # 300 # OK Displays the software version (SW and HW Version).
4. * # 301 # OK Test keypad.
5. 1234 OK phone default codes.
6. * # 311 # OK Changing the default phone code.
7. *** 113 * 1 * OK Net Monitor ON.
8. ** 113 * 1 * OK Net Monitor OFF.
9. * # 304 # OK Set Off mode engineering.
10. * # 1998072 * 304 # OK Set On engineering mode.
11. * # 307 * OK Engineering test mode.
12. * # 400 # OK ADC val call.
13. 19980722 OK Master Unlock code for phone and sim lock.
14. * # 0000 # OK Setting and restore.
15. * # 402 # OK Contrast
16. * # 305 # OK Location 1

Chinese phone Secret Code

*#66*# Set Factory Mode CONFIRMED
*#8375# Show Software Version CONFIRMED
*#1234# A2DP ACP Mode CONFIRMED
*#1234# A2DP INT Mode CONFIRMED
*#0000# + Send : Set Default Language CONFIRMED
*#0007# + Send : Set Language to Russian CONFIRMED
*#0033# + Send : Set Language to French CONFIRMED
*#0034# + Send : Set Language to Spanish CONFIRMED
*#0039# + Send : Set Language to Italian CONFIRMED
*#0044# + Send : Set Language to English CONFIRMED
*#0049# + Send : Set Language to German CONFIRMED
*#0066# + Send : Set Language to Thai CONFIRMED
*#0084# + Send : Set Language to Vietnamese CONFIRMED
*#0966# + Send : Set Language to Arabic CONFIRMED


More some codes for reset mobile china


*#77218114#
*#881188#
*#94267357#
*#9426*357#
*#19912006#
*#118811#
*#3646633#

CHINESE MODELS:

default user code: 1122, 3344, 1234, 5678

Engineer mode: *#110*01#

Factory mode: *#987#

Enable COM port: *#110*01# -> Device -> Set UART -> PS Config -> UART1/115200

Restore factory settings: *#987*99#

LCD contrast: *#369#

software version: *#800#

software version: *#900#

set default language: *#0000# Send

set English language: *#0044# Send

set English language (new firmware): *#001# Send


for n95 that trips off on making call use

*#3646633#

LG Phone Secret Code

ALL LG service codes.
ALL LG 2G: 2945 # * #
LG U8110 277634 # * #
LG U8120 277634 # * #
V105 LG U8120 47328545454 #
LG U8130 47328545454 #
LG U8138 47328545454 #
LG U8180 49857465454 # v10A
V11A 492 662 464 663 # LG U8180
LG U8330 637664 # * #
LG U8360 * 6 * 41 * 12 # #
LG U8360 V.10D & V.10E * 5 * 33 * 62 # #
LG U8380 525252 # * #
LG U8550 885 508 428 679 # * #
LG 8550 (italian Unlock Flash) v08j 2945 # * #
LG U880 U890 142358 # * #
LG U900 v09e 277 634 # * #
LG U900 v10b 082 065 # * #
LG U310 566366 # * #
LG U310 menu NCK815118 # * #
LG L600V 63342425 # * #
Recount cheksum (LG B1200): * 6861 #
Simlock menu (LG 7020, 7010): 2945 # * 70001 #
Simlock menu (LG 500, 600): 2947 # *

Special codes for the LG-U81XX
Code to read phone version:
1. Phone without SIM
2. nter 277 634 # * # or 47328545454 #
3. Select 'SW Ver.info'

Code to reset phone:
* Phone without SIM
* Enter 277634 # * # or 47328545454 #
* Select 'Factory Reset'

Code to enter UNLOCK MENU:
* Phone wit SIM inside
* Enter 2945 # * 88110 #

* Test Menu 8330: 637664 # * #
Test Menu 8180 V10a: 49857465454 #
Test Menu 8180 V11a: 492662464663 #
Test Menu 8130-8138: 47328545454 #
Test Menu 8110-8120: 277634 # * #
1. * # 06 # Displays your IMEI (International Mobile Equipment Identity).

2. * # 07 # displays IMEI number and software version (LG 510).

3. * 8375 # Displays the software version (LG B1200).

4. # PWR668 Test manufacturers (LG B1200).

5. 1945 # 5101 # Simlock menu (LG B1200).

6. 2945 # * 5101 # Simlock menu (LG 510W, 5200)

7. 2945 # * 70001 # Simlock menu (LG 7020.7010)

Sony Ericsson Secret Code

1. * # 06 # Displays your IMEI (International Mobile Equipment Identity).
2. * # 0000 # or 0000 Resets back to english.
3. Viewing >*<<*<* service menu and the software version. Press the Yes buttonrepeatedly to see all the data software and press> to view all the text contained on the phone.
4. <** <To lock the SIM Card in order not to change the SIM Card. To open it with the unlock code.
5. * <<* Lock the service provider.
6. ** 04 * 0000 * 0000 * 0000 # Accessing the phone without SIM Card.
7. 0 # the last number dialed.

Nokia Secret code

1. IMEI (International Mobile Equipment Identity)Do I press * # 0 6 #
2. Looking at the software version, manufacture date and type of compression software softwreDo I press * # 0 0 0 0 #If it does not work try dial * # 9 9 9 9 #
3. View the status of call waitingDo I press * # 4 3 #
4. Looking at the number / number of private number to call your cell phoneDo I press * # 3 0 #
5. Displays the number redirects all callsDo I press * # 2 1 #
6. Looking at the caller's number on the phone because you do not answer (call divert on)Do I press * # 6 1 #
7. Looking at the caller's number on the phone because out of range (call divert on)Do I press * # 6 2 #
8. Looking at the caller's number on the phone because busy (call divert on)Do I press * # 6 7 #
9. Changing the operator logo on nokia 3310 and 3330 typeDo I press * # 6 7 7 0 5 6 4 6 #
10. Displays the status of the sim clockDo I press * # 7 4 6 0 2 5 6 2 5 #
11. Switching to your phone profile profileDo I press the power button off without being held
12. Changing the settings to default nokia or manufacturerDo I press * # 7 7 8 0 #
13. Reset phone timers and game scores nokia phonesDo I press * # 7 3 #
14. View the status of call waitingDo I press * # 4 3 #
15. Looking at the factory or the factory code codeDo I press * # 7 7 6 0 #
16. Displays the serial number or serial number hp, date of manufacture, date of purchase, date of last service, transfer of user data. To exit the phone must be reset again.Do I press * # 92702689 #
17. Looking at your phone security codeDo I press * # 2 6 4 0 #
18. See the ip address of your bluetooth hardwareDo I press * # 2 8 2 0 #
19. Activate EFR with the best sound quality but wasteful energy batteries. To turn off using the same code.Do I press * # 3 3 7 0 #
20. Activate EFR sound quality but the lowest energy-efficient batteries. To turn off using the same code.Do I press * # 4 7 2 0 #
21. Towards the contents of phone book quickly in nokiaDo I press the serial number then # examples: 150 #
22. Switch the call to the destination number for all callsDo I press * * 2 1 * Number Goal #
23. Switch the call to the destination number to call is not answeredDo I press * * 6 1 * Number Goal #
24. Switch the call to the destination number to your phone calls when the phone is busyDo I press * * 6 7 * Number Goal #
* 3370 # To activate the Full Rate Codec (EFR) - HP Nokia you will have a maximum sound quality but talk time is reduced about 5%# 3370 # To turn off Full Rate Codec (EFR)* # 4720 # Activate Half Rate Codec - Nokia mobile phones you will have a lower quality sound but will increase talk time (Talk time) about 30%* # 4720 # Deactivate Half Rate Codec* # 0000 # Displays phone information firmware* # 9999 # Displays the phone's firmware if * # 0000 # does not work* # 06 # For checking the International Mobile Equipment Identity (IMEI Number) we# Pw +1234567890 +1 # Lock status of the provider. (Use the "*" to separate between the "p, w" and a "+")# Pw +1234567890 +2 # Network Lock Status. (Use the "*" to separate between the "p, w" and a "+")# Pw +1234567890 +3 # Country Lock Status. (Use the "*" to separate between the "p, w" and a "+")# Pw +1234567890 +4 # SIM Card Lock Status. (Use the "*" to separate between the "p, w" and a "+")* # 147 # nelpon you know who the last time (only for vodofone)* # 1471 # Last call (only nntuk vodofone)* # 21 # Knowing where all calls are diverted* # 2640 # Displays security code in use* # 30 # to show the private number (usually IM3 neh)* # 43 # to check the status of the "Call Waiting" on your mobile phone.* # 61 # to check the number that "On No Reply"* # 62 # to check the number that "Divert If Unreachable (no service)" and find out where the transfer* # 67 # to check the number that "On Busy Calls" and find out where the transfer* # 67705646 # to remove the operator logo on 3310 & 3330* # 73 # phone timers and game scores phones* # 746025625 # Displays the SIM Clock status, if your phone supports this power saving feature "SIM Clock Stop Allowed", it means you can get the best standby time (How long have you standby)* # 7760 # code product* # 7780 # restore factory settings* # 8110 # to see a version for nokia 8110* # 92702689 # displays - 1.Serial Number, 2.Date Made, 3.Purchase Date, 4.Date of last repair (0000 for no repair), 5.Transfer User Data. To exit this mode, you need to restart your mobile phone* # 94870345123456789 # disables the PWM-Mem** 21 * number # turn on "All Calls" diverting to the phone number entered** 61 * number # turn on "No Reply" diverting to the phone number entered** 67 * number # turn on "On Busy" diverting to the phone number enteredThis 12 345 nokia default security code (Standard)

Dead Phone Solution

How to repair dead phone
How to repair dead phone
Problems or trouble typically found on mobile phones can be categorized into
Three damage categories, namely:
1. Software Problem category
2. Hardware Problem category
3. Problem Category his SW and HW
Phone problems and solutions
1. Total dead cell phone
Mobile phones exist three kinds of die total, die total because of
· Die alone,
· Total death due to falls, and
· Death total for the taxable water.
a. Total death because death itself.
Handling:
The first can be done early steps following
- Remove the battery and plug in again, or try using another battery and try turn it
- Check the battery connector and try the press to see the level of flexible or not,
replace damaged when new.
- Connect the charging of the phone, when the indicator on the phone in and still will not turn on, then obviously you can not live on mobile phones because of interference from IC PA (Power Amplifier). After IC PA revoked your mobile phone can turn it on again. And so no signal will be installed a new PA IC.
- When the tide does not exist and charging indicator on the phone still does not want to live on should be conducted further tests using power supply. But there may also have an ugly tin on the PCB, remove the IC PA solution, then clean the tin on the PCB where IC PA stick, replace the old IC PA, HP switch, it must be a flame.
Examination with power supply:
Necessary power supply on a scale of 1 ampere ampere (A) or 1000 mA.
With the aim that the examination can be more easily and clearly.
The steps are as follows:
- Connect the cable from the power supply to the mobile phone battery connector of at least three wires, with a negative sequence, BSI and positive. (Black, green and red)
- Navigate volt power supply at 3.6 V (or in accordance with tolerance Hp-0.5 V)
- Mobile phones in the state of OFF, and press the button on
- If the current (amperage) in a digital ampere dipower supply pointer when the button is pressed on, it just means there's still a problem on its hardware (HW), it is necessary to check the components on / off until the battery.
- When the ampere when the button is pressed on, up about? 50 mA, then the problem that occurs is a matter of software (SW), then you need to do is re-programmed HP (flash) or program is upgraded to higher versions.
b. Total death from falls.
Handling:
- HP may not be tested by using the power supply, but HP should be dismantled first, heated, and repositioned back to the location / position of the components has changed as a result of HP fell.
- After that, the new HP using the power supply should be tested to determine damage to the Hardware (HW) / Software (SW).
- Most likely a damaged components as a result of the fall is the HP PA IC / IC Power.
c. Total death due to hit the water.
Handling:
- For taxable HP water is also the first time should not be tested by using the power supply, because the risk of short circuit occurs between the components in water, but must first HP divakum, heated, or by first diblower given IPA cleaning liquid, can also use the grain silica to absorb the water that existed at HP.
- After HP confirmed it was dry, then we should use the power supply to determine the damage occurred on the Hardware (HW) or Software (SW).
- At HP's exposed to water, usually there is damage to HPnya accessories.
2. Total die because of IC phone UI.
In HP's case like this then requires test equipment that is power supply.
The steps are as follows:
- Connect the power supply on the phone, give the voltage (volts) equal to 3.6 V (or in accordance with tolerance Hp-0.5 V)
- At the time the phone is in off state, refer to the power supply needles amperes will increase by 100mA.
- The phone will start, LED lights, VIBRA vibrate.
Handling:
- Remove the IC UI, then turn on the phone.
- Then there is the display on the LCD mobile phone "Insert SIM Card".
- Put new IC UI.
- Turn on the phone, the phone will work fine.
3. Total dead cell phone because the CPU IC.
To determine whether the cell phone because the IC die total CPU is as follows:
- Give the voltage (volts) on the phone by using the power supply of 3.6 V (or in accordance with tolerance Hp-0.5 V).
- At the time the phone is not turned on, the needle ampere silent, but if the phone is switched on then the needle will rise 100mA amperes.
Handling:
- If the IC CPU is still in good condition, then we only need to heat the IC CPU by using a blower, but if the CPU IC is damaged, then we need to replace with a new CPU IC. Before we replace our CPU IC must first have the anti-hot glue and liquid glue crusher anti-heat, because the CPU IC is protected by anti-heat glue, after we destroy the anti-hot glue, then we can heat (blower) CPU IC for a new replacement. Similarly, after we replace it with a new CPU IC then we need to give more anti hot glue to protect the new CPU IC we replace it.
4. Total dead cell phone when we call.
For testing we use the power supply by way of:
- Connect the phone with power supply, give the voltage (volts) equal to 3.6 V (or in accordance with tolerance Hp-0.5 V) on the phone.
- Needles amperes will not move when the phone is still in a state of death.
- We turn on the phone and then used to make calls, then the needle will show the number of amperes above 400mA.
Handling:
- Replace with a new IC PA, after re-testing was done as above, if the needle test results show the figures below 400mA amperes, the phone is in good condition.

Wake UP sleep battery

when you find the battery where the phisical is good but thats not work or no power to turn off the phone,.....

try this one,.....
1. Connect the Possitive cable Power Supply to the Possitive element battery and negative cable Power supply to the negative battery.

2. See the Ampere shown in Power Supply.

3. If Nothing ampere was shown adjust voltage until there are any ampere value or the short lamp indicator is light.

4. Restart the Power Supply and connect the cable likes no.1

5. Set the PS in 4.0 or voltage standar.
3. connect duing the value of the power battery same with the battery standard

LED Error Solution

step by step analysing LED phone error

• Use manual multitester with scale xl in LED's feet, but with upside down pole with cables from multitester, it means: red cable multitester relates with negative pole from LED and Black cable multitester relateds with positive pole from LED.
• After related with multitester, if LED's component be in good condition, So LED will on directly, but if LED's component broken, So LED's component can not on, so you must replaced your LED.
• If all LED in PCB has flame when you investigate and test using multitester but when your handphone is turn on but LED's lamp doesn't flame so investigate what positive stripe (+) of battery to LED's lamp still good, If the stripe is broken do system jumper in stripe that broken.and then investigate what stripe from controlling IC (IC UI) to LED lamp.
• If component and LED's stripe in god condition, but LED's lamp isnot flame, Try to investigate and test that IC controller (IC UI) still good, If IC controller (IC UI) is good, so heating IC controller (IC UI) using blower.
• If old of IC UI has broken, So you must change IC UI

Power Supply Function

Kinds of Cable

 

• Red ( + )
• Green ( BSI )
• Yellow ( Btem )
• Black ( - )

 

Power Suply Fuctioned

 

1. As a means of charger
   Solution:
   • Setting voltage power supply as according as voltage out put TC (Travel Charger)
   • Colling cable of TC power supply in hand phone.
2. As a means of startle batrei
   Solution :
   • Setting voltage of power supply to 12V then kill
   • Colling Cable(+) PS in(+) battery, Cable(-) PS in(-) battery.
   • Turn on power supply, So process battery go on and Wait down until two strips
3. Subtitute voltage tension
   To analyze hand phone problem pass test point need tension batrei. as subtitute as tension batrei we can uses power supply. Solution :
   • Jumper parallel engine /PCB part (BSI, Btem and -) and Giving cable as switch place
   • Setting voltage of power supply according as battery tension. Kill and Coll red cable on (+) and Black on (-).
   • Turn on power supply and pressing switch on/off of hand phone
4. As analysis of handphone problem
   when normally condition, When we test use power supply so tension that produced show tension value that fluctuate between 0,15 up to 0,2. Solution :
   • Setting voltage of power supply according as battery tension, Then turn off.
   • Colling Cable of power supply in battery konektor as according the place
   • Turn on power supply, pressing switch on/off and analysis ampere needle movement, As follows:
   1. Ampere needle movement on 0,15 is Power's position. Trouble Shooting :
      • If switch on/off of ampere needle depressed has rised and Direct go down to 0, so IC Power has failure
      • If switch on/off depressed ampere needle has rised, idle then down to 0 or idle above 0, it means memory has failure
      • If switch on/off depressed ampere needle was fluctuate but Hand phone die, it means program memory is failure
      • If switch on/off depressed ampere needle was not move.
        Check:
        • Switch on/off.
        • On/off Stripe
        • Tight of resistor on/off
   2. Ampere needle movement on course 0,25 be CPU's position
   3. Ampere needle movement on course 0,17 be RX's position (reiceiver)
   4. Ampere needle movement on course 0,13 be TX's position (transmitter)
   5. Before switch on/off switch, but ampere nedle has value. it means konslet.

FAQ

Lets we try to solved your problem in here,.....
didn't long time we will answering your question,..................

Vibrate solution

When The mobile phone can't vibrate we can do this analysis

• The Manual multitester that scale x 1, connect multitester cable with positive poles and Negative from VIBRA's component, if VIBRA's component vibrates so component in good condition, but if VIBRA's component not vibrate so we need to replace VIBRA's component that broken.
• And then, test VIBRA's component stripe if VIBRA's component doesn't broken. Use tool manual multitester that scale x1k, connect multitester cables with VIBRA's component interfaces, When connecting there are movement of multitester needle, so stripe doesn't broken. Otherwise when there is no movement of multitester needle, its mean stripe brokened. We can do jumpering system from controlling IC (IC UI) to VIBRA's component. Investigate and test that positive stripe (+) from battery to VIBRA in good condition, If the stripe is broken off do jumpering system in stripe that broken.
• If both of VIBRA's component and stripe are good, but handphone can not vibrate, So try to investigate and test that IC UI is good. If IC UI is good, heating IC UI with blower.
• if your IC UI was broken. change with newly.
• If the all of the analysis your problem net be solved change the UEm IC

Phone died when calling

Problem : When we calling with our handphone, suddenly our handphone dies.
Repair Procedure :

• Using power supply, when your handphone still in off state, look the ampere needle in power supply will not move.
• But when we turn on handphone and calling some number, then see ampere needle will show number on 400 mili ampere, While normal number at calling is under number 400 mili ampere.
• Change IC PA newly.
• After that investigate and testing handphone likes previous step, if the result or ampere needle present under value 400 mili ampere, it means handphone in good condition.

Problem : Handphone can not use calling although there is signal indicator.
Repair Procedure :

• Investigating menu 'Call setting' and 'Phone setting'. Has setting true?
• If setting true, So we continue with investigate stripe to IC PA.
• If stripe to IC PA is good, test IC what still functioned well, if not change the IC PA.
• If PA's IC has been replaced but still can't calling, try looks for network by manual, if handphone sometimes can look for but Sometimes not, heat IC RF (HAGAR), if there is no change so change IC RF (HAGAR).
• Re-flash the handphone

No Charging Solution

There are some possibility of the damage: Damage happens battery charger, Try the charger on the other handphone which as same as kind to detect that it broken or not. Battery has broken, so can't be charged. Investigate that the konektor refilling battery still good. And then investigate and testing on the handphone.

• If there are message "Not Charging" on your handphone screen or when handphone was charging, and indicator run but without fill battery or the indicator doesn't run when charging, It means that IC Charge was broken. Change with new IC Charge.
• if indicator of charger run, although handphone not charging, it means that the IC Power was broken. Change with new IC Power.
• Handphone was not charging but the charge indicator was run, It means that software was broken. Flashing the program with the same version.
• When Handphone charged, it always die, it means that IC Charge or IC Power was broken. Investigate and testing the handphone to determine that IC Charge or IC Power was broken, and then change IC Charge or IC Power.
• After charging the handphone, There electricity leakage before button power-on depressed, When you press the button power-on, Handphone doesn't burn. That problem cause of electricity leakage in capacity power supplies. The target are IC Power, IC UI, IC PA which linked with VBAT battery, Units that often broken is IC Power, IC UI. Because IC Power is BGA, That is integrated IC, So step which usually use are release IC UI, Then re-charge the handphone, Looking for electricity leakege. if there is no electricity leakkage, it means IC UI was brokens, otherwise it means that IC Power was broken.
• If we charging the handphone, Then press ON's button, but Handphone doesn't active, There is no electricity into handphone. So measure it in R224, If both of the point doesn't have VBAT's tension 3,2 Vs, it means that IC Power was broken or There soldering unfavourable in IC power. Change IC Power that broken or re-soldering IC Power.
• Try to re-flashing your handphone.

Speaker phone error

When the handphone which use for calling, the receiver can not hear our voice. Investigate and Testing the MIC's component using multitester with step as follows:

• Using manual multitester in scale x l, Connect the positive pole cable and Negative pole cable from multitester in MIC's component feet, it the needle of multitester move so MIC's component in good condition. But if the needle of multitester motion less so we must replaced MIC's component, Because MIC's component was damaged.
• Furthermore we try stripe of MIC's component. For it, we use manual multitester in scale x1 too, Correlate cable of multitester with MIC's interfaces on positive pole and Negative, if the needle move, so the stripe is well, but if needle of multitester motion less, so MIC's stripe is brokened off. We can use system jumper to solve it.
• If the stripe is well, Try to heat audio IC using blower.
• If handphone still dumb, Change audio IC with newly.
• If the handphone still dumb, So problem found in software of handphone.

Signal repair procedure

When we insert SIM card then on the handphone, there is no signal or network that appear in handphone LCD.lets try this repair procedure:

• Investigate the antenna component and antenna connector, make sure linked well. Even your handphone using inside antenna, relating to PCB or mainboard that pass two elastic contact pointers, if both are bad contact, the problem is no network and bad signal receiving then lost (no signal). Especially the machine that bumped or drop into water, the bad contact and oxidation will happen in contact pointer. Antenna switch is only way to receive and transmit signal, if broken or broken soldering pin, will cause no network or transmission.
• Furthermore we try to search network in handphone manually, if it fail againt, it means there is problem in RF IC (HAGAR), so change RF IC (HAGAR).
• Network can be looked for with manual method but Sometimes fail, Even can not linked with the network. This is caused IC RF's problem (HAGAR), IC Audio (COBBA). If COBBA's module shows error, The possibility caused of BGA's soldering and bad units, or Current deficit. But usually HAGAR's problem caused by bad unit.
• If look for network with manual method only gets 1 (one) operator/provide cellular service service, So there problem in IC VCO, Change this VCO IC so problem finished
• If there is no problem with manual method, Investigate stripe from battery to IC PA, if there is no problem with stripe, investigating that IC PA's component functioneds well. We can use multitester to test IC PA, If IC PA doesn't functioned well, We shall change this IC PA so problem finished.
• If Hadware testing and Repair have been done but signal still fluctuates, So check the software. Flash handphone as according as kind of handphone and Previous handphone software version or with the latest software version (upgrade)

Mobile phone troubleshooting

The main component with the function and troubleshooting:

1. Switch's antenna
   Function : As processor, complete and merger the RX signal and TX signal.
   Trouble Shooting
   • There is no network
   • There is only one network
   • Signal fluctuates
   • When signal comes up, the handphone die directly
2. IC Audio (COBBA)
   Function : As voice signal processor from IC RF, and then braced and Sustained to speaker, Bracing voice vibration that changed by mic to be electricity vibration then sustained to IC RF, Runing command from CPU. In IC Audio there are PCM (Pulse Code Module's and EEPROM that functioned to read incoming signal code from operator for accustommed with IMEI. Otherwise, it keep permanent data like imei, Phone code, etc.
   Trouble Shooting
   • Contact Service
   • Black Blank in LCD
   • Signal fluctuates
   • Spiker and Mic dies
3. IC CPU
   Function : CPU is electronics component which is integrated. Task of this component are very significant, Because this component is brain of handphone. So CPU is centre of handphone system.
   Trouble Shooting
   • Died
   • No Network
   • Restart
   • Suddenly The Handphone Die
   • Contact Service
   • LCD Blank
4. IC Power (CCONT)
   Function : As Supplier of electricity to each component according the need.
   Trouble Shooting
   • Died
   • Insert simcard
   • Contact Service
   • Restart
   • Not charging
   • LCD Blank
5. IC UEM
   Function : As Supplier electricity to each component according the need. IC UEM is federation from IC Power, IC UI, IC Charging.
   Trouble Shooting
   • Died
   • UPP Bad Respon 02
   • Error data 2 ( Tornado )
   • Contact retailer / contact service
   • Phone restic
6. IC Flash
   Function : This component as data storage in handphone that is not permanent in other word can be changed or added with data in computer. This tool has same function with hard-disk in computer.
   Trouble Shooting
   • Restart
   • HP off suddenly
   • Contact Service
   • LCD is blank
   • Totally off
   • One of data lost from menu
7. EEPROM (Electrically Erase Programable Read Only Memory)
   Function : As data storage in handphone that designed doesn't irrespective with handphone electricity, because there is special battery or electricity, usually this component save factory data likes IMEI1, IMEI2, Security Code, Program version and Maker date. But for the new version of Nokia the data can't be changed.
   Trouble Shooting
   • Totally off (Software)
8. MCU (Master Control Unit)
   Function : Data in handphone is located in audio IC, it is permanent from factory, like: program version, IMEI, year, and phone code.
   Trouble Shooting
   • Totally off (Software)
9. RAM IC
   Function : Basically this component is data storage, but only temporary, because this component depend on electricity inside of it. If handphone is off the data will be lost. This component related to CPU's activities. If the capacity of RAM greater, the performance CPU will be better, but if RAM is damage, CPU can not work.
   
10. IC Charging
    Function : This component will work automatically at admission and work only to charge the battery that controlled by CPU using controlling IC.
    Trouble Shooting
    • No charging
    • Wasful of battery
11. IC UI
    Function : As data controlling which is commanded by IC CPU in Vibrator, Buzzer, Led and as an automatic switch in handphone.
    Trouble Shooting
    • Totally of
    • No vibrating
    • No ringing
    • Led id off
12. IC PA
    Function : As TX's signal controller and signal lasing that will transmit using antena switch component of handphone.
    Trouble Shooting
    • The signal out then lost
    • Can't transmit
    • Network searching
    • Wasful of battery
    • Totally off
13. IC RF (HAGAR)
    Function : As RX's signal controlling (in) and TX (out), in order to every part can work well. This component consists of some part, That is: IF, Mixer, Oscillator, Detector, Encoder, Decoder, AFC, Tone Frequency and Squelch.
    Trouble Shooting
    • Network serching
    • Out of one of networks
    • Totally off
    • Restart
    • LCD white blank
14. IC VCO (Voltage Control Oscilator)
    Function : As oscillator/frequency generator that sent using TX's (transmitter) and frequency that pass RX (receiver) so that being equal with transmitted. Moreover this component as pulse voltage regulator from RF Signal Processor.
    Trouble Shooting
    • Only one card is well
    • Network searching
    • The signal out then lost
15. LCD (Liquid Crystal Display)
    Function : As a tool that will display all handphone activities, as media of read and write in handphone.
    Trouble Shooting
    • Blank
    • Disorder words
    • Broken word
16. Keypad
    Function : As input device that give data command to CPU to be processed and sent to other component in handphone.
    Trouble Shooting
    • Blank
    • Disorder words
    • Broken word
17. Battery
    Function : As electricity source that need to give electricity in handphone. There are kinds of handphone battery that is Nickel-Metal Hydrate (NiMH), Lithium-Ion (LiON), and Lithium-Poly-I RI- (LiPoly's).
    Trouble Shooting
    • Dropping
    • Handphone off when calling
    • LCD's lamp is glimmer
    • Charging is fail

Tips Buying second hand mobile phone

Sometimes cause of limitation of fund, so perforcedly we have to buy second-hand ponsel corresponding our money. there are a lot of secondhand mobile phones on the market with variation brand, type, excess, and also cheaper than new ponsel.
some points which needed beore you buy second-hand mobile phone, likes :

1. Fund
   the most important in chosing secondhand ponsel is correspond to the available fund and requirement. Before bargaining, you must know the new price of the ponsel on the market, and comparing price of the offer ponsel secondhand with price of new ponsel.
2. Warranty
   Check whether the ponsel still in a period of warranty, ponsel which still have warranty is ponsel which not yet more than one year from purchase on first hand, its better if you buy ponsel which still have warranty, because ponsel condition more guaranted. But if ponsel warranty used up, so you have to be more careful checking the condition of ponsel. Ascertaining that the ponsel is not stealed ponsel. look it from fully equipped of equipment, pack, and guide-book which figured at ponsel, also complement accessory which sometimes figured when buy the new ponsel, for example: handfree.
3. Un-Warranty or Black Market (BM)
   Don'T buy black martket ponsel ( BM), because its risk which often happened are the jamper of its PCB and if included by original program file ( flash). the software-nya often happened " Contact Service" and other damage and also sometimes can't deflect returned like initialy so that the ponsel cannot be weared.
4. Phisical Condition
   Check the external condition of ponsel whether still in good condition and the most important is not handicap. Open the the casing to ascertain whether the ponsel have fallen down and or have been serviced. Attenting LCD condition whether still on good condition or blur, also check the Original. After you check ponsel condition, and then turn on the ponsel, try the keypad whether stuck or not function. Try to press any number of keypad as many as possible and ascertain that ponsel aren't hang. Then ascertain all of menu running well, for example: ringtone, jolt, and others.
5. Signal
   Ascertain that ponsel signal well. comparing with the same ponsel and same simcard. if ponsel turn off by itself when you try it, becareful, the ponsel has problem, and its caused the battery and its Power IC are weak.
6. IMEI Number
   Check carefully whether IMEI number of ponsel ( usually described in ponsel backside / opposite of battery), IMEI number at program of ponsel and IMEI number which described at ponsel pack. it will make you easier when you sell this ponsel.
7. Battery
   Battery which is figured on some second hand ponsel have sorter life time, for example time stand-by and talk-time will be shorter. but if the battery of ponsel is new. for testing the battery, call someone or free call for long times.
8. Charge
   looks the charge. Usually, not original charger has long time for chargering, in other hand original has quickly process. physical of original charger is heavier tha not original. and cable of Original charger is longer than not original.
9. Spare parts
   you should chose ponsel owning a lot of service network, it will make you easier repairing if your ponsel has problem, and also the spare parts available.

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