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How do I dismantle and replace front keypad? - Cell Phones

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Unless you are experienced with working on complex electronic devices, you should not open them. Experience with others has shown that the devices are worse off after inexperienced people work on them.

That said, I find that if I can get multiple copies of the same phone type, I can usually get one working with the pices of 2 or more other units.

Posted on Sep 13, 2009

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Keypad jumper


The best and easiest solution is to change the key filter (IC)7_15_2011_12_54_04_pm.jpg

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Sony erisson k850i


Try to use different keypad. It's a good thing you can open the phone. Try to clean the keypad contacts with alcohol also the keypad board, clean it using mechanical eraser.

Aug 18, 2008 | Sony Ericsson W850i Cellular Phone

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My p990i phone the fip is broken and it is remained as if the flip is closed and i cannot use the other functions.......how can i flip open if the flip is broken.....


You need to dismantle the back panel and unscrewing 6 screw using a T6 precision screw driver to be able to release the front panel,but be careful cause the keypad flex connector is attach on the board interface and be careful cause touchscreen and LCD is also connected. On the upper panel,remove the keypad panel by inserting a flat screw driver on each side at the bottom of the front panel.if done,remove the adhesive at the back of the keypad interface and you will see the keypad flex connector,if the parts is still ok,gently remove the flex cause it is fitted by a strong adhesive.the you can replace or if not put an adhesive on a broken part.

good luck....

Jun 20, 2011 | Sony Ericsson P990i Cell Phone

1 Answer

The key pad on my Motorola V3s RAZAR doesn't work the only button that works is the power button. All the other buttons don't work, how can i fix it myself.


If you're going to do it alone,follow this steps.

1. try to check if the volume up or down is working,if not, remove the battery cover and dismantle the lower panel at the back using a T6 precision screw,unscrew 2 screws and by using your thumbnail look for edge cover,insert and lift it up gentle (remember that a flex connector is attach on the right side If done,check the volume switch and remove the circular metal (keypad membrane) that is volume high and low apparently.clean it and align it when returning back before assembling it(might some shortage or hang buttons that's why keys are not working).,also try to check if the flex connector or socket is clean as well as the board socket connector cause keypad function has the line with it.assemble it and try if its working.

2. If the method above fails,need to replace the keypad flex cable.it maybe to risky for you to do cause the keypad connector is connected at the upper flip panel.i maybe reliable if you continue and there's a chance to break the lcd cause upper portion is to hard to dismantle.better bring it a mobile service center for keypad flex replacement.

hope this simple solution helps.

Jun 19, 2011 | Motorola Mobility RAZR V3

1 Answer

I HAVE A NOKIA 5130 C2 PHONE. HERE THERE IS A COMPLAINT IS THAT KEYPADS ARE NOT WORKING PROPERLY IN MY PHONE. SOME TIMES EVEN I COULDN'T ABLE TO DIAL THE NUMBER, AND SOME OTHER TIMES I AM UNABLE TO GET...


Hello. This is a common issue with keypads when the unit starts ageing. The flex cable needs replacement. Check the following and look up your model.

http://www.thefind.com/electronics/info-keypad-flex-cable

It is pretty straight forward to replace one the phone is dismantled.

Sep 07, 2009 | Nokia 5130 Cellular Phone

1 Answer

Sony Ericssion K790i Keypad is not working properly


Keypad problems occur mostly from dust accumulation, if you know how to dismantle the phone use a blower to dust the keypad, or give it to an authorized service center.

Apr 11, 2009 | Cell Phones

1 Answer

How to replace the nokia N70 keypad. I was advised to also purchase the T6 Torx screwdriver (which I have, and I was wondering the best way to tackle this without damaging the phone. Thank you


you don't need a screw or t6 just to replace your keypad, you only need your bear hands

here's a link
http://www.youtube.com/watch?v=2BkaYtsi3J4

showing how to dismantle your n70 phone

Aug 19, 2008 | Cell Phones

1 Answer

Dismantling Imate SP3i


no idea if u have resolved the issue . but here is a guide . Back bottom of the phone two long screws . Under battery there is two screws one top left and one under the void sticker . Then take off the cover over the camera and there will be two more screws . slowly clip off the back case . Then this will reveal the m/board for the phone in the centre there will be a phillips screw wich releases the keypad from the front of the phone .

Hope that helps

Nov 07, 2007 | i-mate SP3i Smartphone

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