hiya the middle menu touch stopped working ,but if i put pressure on the case just below the "0" it makes it work?
iv taken it apart everything is in place as it should be.
do you think if i buy a replacement touch membrane it would solve this?thanks

no1 had any issue`s wi touch screen on these?got to be hardware hasnt it?

It's a fairly common occurrence upon K850 owners, it's worth updating it with SEUS (Sony Ericsson Update Service) just for the off chance but the chances are that you're going to have to buy a replacement part to fix it.

same problem can someone help me ...fleshin cell didnt work :@

Hardware problem. happened to me once too. send it to repair center.

hey i got tons of modds on my phone you think they will report it?

just reflash it before you send it away. They never noticed anything when i sent my w580 away for repair 3 times...

ok thanx for your reply ok i will try to reflash it again with SEUS. or do you think i should try to dissamble it by myself and have a look?

DON'T DISASSEMBLE IT. If they found out you've no more free repair even under warranty

Mine are bugged aswell, cleaning the contacts helps a bit.

Having the same problems here what I have done so far is:

- Replaced Keypad (which has touch sensors & controller on)
- Re-Flashed Firmware more than once


Its better but still not perfect. I was told that taking it all apart and spraying the circuit board and connectors in WD40 may sort it. Is it worth a try?

It happened with my friends' K850 too. I got him a New K850 internal keypad and changed it myself. It got okay. No need for firmware reflash as suggested above.

I did disamble my phone and replaced the internal keypad with a new one. And now my phone works perfectly

Nice I am gonna replace the keyboard on my C905 too