My se p990i flip keypad had a problem, the problems start at the center button, then spread out to button 1,2,3 left button,upper button, i dunno what happen, but sometimes the button works, but the center button doesn't work anymore, what will be the price for this keypad? im from Malaysia.
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Flip keyboard consist of flex connector inside and this could be damage due to fliptop mechanism that usually in used.malfunction of its key may result by cutting or breaking the flex connector and this is not repairable,possible to replace the flex connector and only service center can fix this problem.
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.
SE P900 does not support memory stick pro duo. it' s only support MEMORY STICK DUO (w/o PRO). i have the same problem too. my p900 only live with 32MB MS DUO and there are no more MS DUO in my city (even SE's service center) if you wanna use your MS DUO PRO, then you'll need to upgade to P990i or P1i. that's much better then P900i (newer OS, more ROM, new keypad, plus WiFi) :D
I had the same problem with my p990i. I stripped the flipped down and inspected the microswitch which gets activated when the flip is closed. The mountings and actuators get worne out after prolonged use. I cleaned everything out and reseated the switch correctly. Worked fine after that. If you do not have a bit of technical experience, i don't suggest you do it yourself. The ribbon cable is very easy to break.
Hope this helps
Switch the phone off, look at the back of it, remove the back cover, remove the battery. you should see two copper colored screws, remove the screw, remove the flip, replace the flip with the small cover that you should have recieved with the phone, replace the screws, replace the battery, replace the back cover, switch the phone on and operate as normal but without the flip. A hint though, you touchscreen will get dirty very quickly
Touch screen not working for sony ericsson P990i Mobile phone
When I hit the center some part above gets highlighted and selected and the botton part where the taskmanager and battery icons are present does not respond to my taps ... what could be the problem,,, kindly help me solve the issue.