k750i problem: Help plz

i have k750i CID 49 R1Db001 firmware. Today my phone give me problem.. i don't know what happened to it.
The "Upper Left" button is not working.
Joy Stick Not Move to "Right" or "Down".
Number "1, 2, 3" is not working.
And "Power ON/OFF" button not working.
i use master reset but can't working.. in morning my phone is working properly, i don't know what happened to it.
One more thing: in game "Super Real Tennis" my joy stick is working properly.. but in phone.......what happened to it???
if any one know plz help me.

*>*<<*<* , test the keyboard to see what is wrong.

Quote:

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Originally Posted by Boki92

*>*<<*<* , test the keyboard to see what is wrong.

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hay, what is it for? i think you type wrong keys, correct combination are " >*<<*<* " anyways can't working..

you should fash again your mobile with another firmware.may be because of your firmware.Try it

Ya Flashing Will Solve Your Problem. See XS++ 3.1 Guide-Flashing,Customizing,Recovering - Top Sony Forums

any one have alternate or simple solution...

Try keeping Super Tennis minimized and then use the joystick. Maybe then you can go in the service menu and run the keypad check.

joy stick is working when key lock is on OR play any java game but 1,2,3,Upper Left button, and ON/OFF button not working.

i think is not software problem,change joystick n keypad driver can fix it

i want to confirm that if i full flash my cellphone, can it solve my problem??

My opinion, hardware problem.Take it to service center.

Nice day

problem Solved... Hardware Problem.