Question about Motorola Mobility V180 Cellular Phone

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Keypad dont work

How do i flash your firmware? or how do i apply keypad flex?

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Re: keypad dont work

Take the phone to a mobile service center and have them correct this issue for you.

Posted on Feb 18, 2008

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Motorola e398 keypad doesnt respond. Only the red button woks as it should. speedial [only the first number] works. i dont know anything about flex/flash etc...

hedset I have a lot of problems. keypack the problem as one that would help please send an email message to me solehin.azrain @ or solehin.azrain9 @

May 17, 2009 | Motorola Mobility E398 Cellular Phone


How to repair keypad problem in China Mobile

First we need to know china phone keypad connected with PCB how way
(A) Direct on PCB
(B) Flex System (flex cable direct soldering pcb to keypad panel)
© Flex and socket system include (flex one side soldering with key panel other side connect to pcb with socket)
(D) only Socket System (here have 2 socket, 1 with key panel others with pcb)
Keypad problem have various type
1. All key not work.
2. some key work and some other not work.
3. sometimes work and sometimes not work.
1. All key not work
china phone all key not work for this type of problem
(A) though its touch screen phone, first try to disconnect touch panel line from phone pcb or display flex (4 line)
(B) though not solve and keypad direct on pcb first you try to good clean full pcb with cleaner.
© though not solve now you try to format/flash your phone because some time key problem come from software problem.
(D) though still not solve now you check must be CPU. 95% china phone keypad directly going in cpu. and other 5% first going to resistor or capacitor near the cpu or keypad than going to cpu. so now first check them than you can try to re-hot, re-soldering or changing cpu.
(E) though its flex or socket system, first check GND connection continuslay pcb to key panel. next check full flex or socket all line going continuously pcb to key panel or not. also sometimes flex or socket shorted with other line or gnd so check also them.
(F) Also you can check all key anyone is short 2 line.
(G) sometimes keypad line broken from cpu pin on pcb to key panel, so check them.
2. Some key work and some other not work
Some key work and some other is not work for this type of problem
(A) maximum time this problem we face for flex or socket system keypad. so check flex cable and socket all line any line is broken or not and though need change them. and check all key connection on key panel.
(B) though its direact on pcb, some of key line broken internaly. and maximum china phone have alternative test point near every key or with other key on keypad. so check them with multimeter and though need connect to not work key with near testpoint or other working key.
© common problem is keypad metal ball (which is short 2 line on key when we press) sometimes its damage for phone water damage or over key voltage, so clean them or change.
(D) also try to check line continuously from cpu to not working key.

3. sometimes work and sometimes not work
this problem come from this defect
(A) flex or socket system keypad any line is bad soldering or do lose contact. check them and
re-soldering or keep there line join with extra ware.
(B) for cpu bad soldering or cpu pin is broken. so re-hot or re-ball cpu.

on Jan 06, 2010 | Cell Phones

1 Answer

Nokia E65 screen it´s blinking

yes this problem is related to the flash u need to flash ur phone if that didn't help u need a flex cable replacement

flash= give it to a trusted phone repair man and tell him i want to flash my phone
flex cable = u cant take the phone apart and replace the cable that connect the keypad to the lcd/call buttons

PLz do rate this post as good as u can so we can help others.

Oct 24, 2008 | Nokia e65 Cellular Phone

1 Answer


Hey guys, your keypad flex has a problem - common issue on V3 razr - we can repair it for you no problem, and even give you latest firmware for the phones

Jan 15, 2008 | Motorola Mobility RAZR V3

2 Answers

Lower key 5, and uper softkey not working

your keypad flex cable has an issue or software caused a keypad mapping error - either a flash for $35 or a flex for $150 is the repair

Dec 21, 2007 | Sony Ericsson W550i Cellular Phone

4 Answers

Help w850i wsod

have the flex cable replaced....

Dec 06, 2007 | Sony Ericsson W850i Cellular Phone

1 Answer

Screen turn Black

Put your phone in a bag, put it in the freezer...
It will might work until it warms up again..

It might be your screen, it might be the body of the phone...

for the screen...

get a TORX 6 screwdriver

take it apart
Google for V220 take apart/ disassembly

WIggle the tiny flex cable connector
near the hinge.. still no luck ????

Buy another V220 on ebay

gently take the phone apart and sub in the whole
screen shell and front of keypad.

DO NOT TRY TO remove the screen from the body section..
you will destroy to the teeny tiny flex cable.

Still problems?
then its the body... your phone is useless
undo what you did, re-assemble the parts phone,
learn how to flash the spare phone..

USB adapter
Motorola P2K drivers for XP
Motorola or other flash tools
enter phone service mode
connect phone to pc
flash back to V 364 firmware
run unlocker
flash unlock firmware
enter dummy unlock
reflash to v365 firmware

More details googling above and reading lots

OR.. Pay $10-20 have someone else do it...

I wont, too much work...

Oct 18, 2007 | Motorola Mobility V220

1 Answer

Technical tips on V3

Guest - change the flex cable in the phone.

wallytackle - try and have the flex cable replaced...if that does not work then take the phone to a professional mobile technician and have them reflash the firmware on the phone.

Sep 26, 2007 | Motorola Mobility RAZR V3

1 Answer

Keypad frozen, still receives calls

Hi, You don't need 2 flash your razr for this problem. What u need is a screen flex cable. The three buttons around the screen are controlled by a flex cable and the voice recorder is connected on this flex cable.This needs replacing but it's very tricky to deal with. I suggest a really good tech that deals with razr's to handle this problem to possibly replace the flex cable. This would solve yor frozen keypad problem. SAM !

Jun 19, 2007 | Motorola Mobility RAZR V3

1 Answer

Broken phone!!

Saw quite a few of these. Have you tried taking the battery and Sim out while the phone is still on? did you try to flash your firmware on your Razr? there is one firmware will mess up your keypad, but all you have to do is apply keypad flex and it will work again. A friend recently updated his firmware and had to re-apply flex, works fine now. Good luck!

Jun 09, 2006 | Motorola Mobility RAZR V3

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