W850 Screen goes white

I've got a W850 which has a problem that it keeps "resetting" itself.
After about 1-2 minutes after I turn the phone on, the screen just goes white, and then it seems like it turns itself off, but after a couple of seconds, the phone just returns to the home screen.

Also where the name of the network provider is supposed to be, it only says "searching" even though the "network bars" has a full signal.

It's pretty annoying because I can't do anything with the phone, because it just keeps resetting itself.

change flash chip & program empty fill

Where can I get a flash chip, and how do you change one?

good luck on that one. from what i've read, you've got a lot of work to do.

Reflash the phone. Maybe it is "just" a software problem...

I have reflashed it, but it didn't work.

Quote:

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Originally Posted by oleq83

I have reflashed it, but it didn't work.

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Hi Friend,

99% of this type of problem is H/W , change the upper Keys board
and your problem will be solved .

It is not Software problem ..

I have fixed many W850 flashing white screen .. by changing the upper keys board and sometimes the Flat cable too .

Quote:

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Originally Posted by raffi

Hi Friend,

99% of this type of problem is H/W , change the upper Keys board
and your problem will be solved .

It is not Software problem ..

I have fixed many W850 flashing white screen .. by changing the upper keys board and sometimes the Flat cable too .

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Thanks a lot for the reply. By the "flat cable" do you mean the flex cable that runs between the two sliding parts?

I suggest to bring it to the assistance...because if you break smth while you're "repairing" it they will not repair it

Well, it was not the keypad, or the flex cable. I just tried changing them and that didn't help at all. So I'm back to square one. Guess I'll just use this phones for spares than:(