Question about Motorola Mobility RAZR V3

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Key Pad malfunction

Some of the numbers on the key pad don't work? Any ideas on how to fix the problem.


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With a T6 torx screwdriver, remove the two screws you will see under the battery cover towards the bottom of the phone. Once the screws are removed, gently lift up where the battery contact terminals are, GENTLY. The main flex bends and plugs into the board right there. With a small flat tip screwdriver, unplug the main flex from the motherboard. Once this is unplugged, work that back piece slowly until it comes off. The main motherboard will come with it.

I would just about bet you will see some corrosion where the main flex plugs into the board. Use some rubbing alcohol and a toothbrush to clean both the plug and the end of the main flex. Let dry completely, reassemble and see what you get.

You may also have some corrosion in the top 1/2. You can get into it by removing the 4 rubber bushings at each corner around the main inner lcd, and then remove the 4 T5 torx screws. Once the screws are removed, close the phone and hold it looking at the outside screen with the camera on top. Start working the outer cover off at the top by the camera lens. With the screws out, it is just snapped on.

Once that outer cover is off, you will see upper plug for the main flex on the upper left. Unplug this and clean the plug and the end of the flex the same way, rubbing alcohol and toothbrush.

Preferably 91% rubbing alcohol because it evaporates cleaner.

If this isn't something you want to try yourself, I recommend Wireless Unlimited - Cell phone and computer repair.
423-913-0488 10a-6p M-F EST.

If you mail it to them, they can have it fixed and back in the mail to you the same day they recieve it.

Posted on Aug 21, 2008

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