Question about Motorola Mobility RAZR V3

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Keys 3 and 6 do not work

Randomly stopped working. May be from slight water damage, only moisture / humidity though. Several keys weren't working yesterday, now its just 3 and 6. Disassembled the phone and cleaned under the keys, no luck. 3 and 6 still do not work. What can I do?

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When you remove the main board, clean where the main keypad flex plugs into the motherboard. Clean the end of the flex too.

Also, if you want to try, very very slowly and carefully peel up the switches. This is the white sticker with all the little metal domes under it. You have to remove the metal keypad to do so. If you've already disassembled the phone, you should be fine with that. If you haven't broken it down that far, let me know and i will give you step by step instructions.

Also, if moisture is involved, you may want to take the outer cover off the top 1/2 and clean that upper Flex plug also.

4 T5 torx screws located under the 4 rubber bushing at each corner of the inner LCD screen. Once those screws are removed, the outer cover where the outer display and the camera lens are will pop off. Might be a little firm, but it is just snapped in. That will expose the main flex plug on the left and the camera plug on the right.

Please rate if this was helpful, or like I said, let me know if you need more detailed instructions.

91% rubbing alcohol and a toothbrush are just about the best things to use for this cleaning.

If this level of cleaning doesn't take care of it, you can try replacing the keypad flex, or it may need heatshield removal and sonic cleaning to remove any potential corrosion that may be shorting it out under the switch relay module.

Posted on Aug 21, 2008

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Did you have this problem prior to the fuse blowing or did it start after you replaced the fuse?

I don't believe the fuse blowing is related to the keypad problem. I also don't believe that you have a microprocessor problem because you say that the function buttons work but the number keys don't work right. If the microprocessor was faulty, it would not be able to read any of the keys.

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