hello.
At first my phone would hang when i dialed a number thats wasent in the phonebook and when a unknown number called me..
yesterday a buddy used my phone to take a picture, then it hang.. i pulled out the battery and tried to start it again but now nothing happens, it is totaly dead..
What can i do?

Try this first. Use A2Uploader, replace the 'BOOT' folder. If it does not work -

use Sony Ericsson Update Service - NOTE: All your contact, messages will be gone. Memory card to be remove just in case.

none of those things works..

Flash with A2 Uploader v3

Can you connect your phone at all to A2Uploader?

try to flash your phone...

the phone cant connect at al to the computer..

EDIT: I need my contacts and everything on the phone.. is it all gone?

pretty much, unless u've backed them up before to the SE PC Suite.
reflash ur phone with a2uploader v3

I have sent the phone in to waranty service, they say that the phones motherboard is unstabiled. They olso say that they cant rescue a thing from my phone, is this true?? or can i send it to some one else that can get the stuff out?

If they cant, I doubt that anyone else will

i need K850_R1FA035_FS_ADRIATIC_RED52 because my phone has BROD and i cant use a2uploader to copy boot to phone
i can only flash with a2 uploader because seus says i have the latest firmware
anyone?

Try SEUsers.com

they do not give it for free...

They do, just register

i m already registered or a long time but some of the firmwares are not free. a2 ones for example. for k850 nothing is free

topsony? .............

i ve found this http://dl.se-team.com/KKENDI/FIRMWARE/K/K850/R1FA035/
but i dont know waht custom pack to use
edit: i've found what i need . i flashing right now. i'll see what will happen
thanks
http://se-scene.net/forum/download/k850-download/

thanks everybody my phone is working again

No problem