u600 display problem
 

i have a problem with u600 display, he work normaly without sim card but when i put it the lcd turns black, i change the lcd and the flex but th esame problem
if anyone know the solution please post it

i hav e the same probleme with 2 phones
one time work 2 days ok and than ik get blsck lcd
ik have changed the lcd and the flex but the same probleme

it's realy a big probleme and no solution up to now i have 2 u600 with a same probleme when i turn the on the screen show bleu but when i put any thig under the midl of the mothe boarde it work and when i raise my hand it hange any solution plz for this u600
thankx

Hello friend...
mybe one part or ic is desolder. try to rehot but becarful.

this is very strange prb brother my set same prb change flex cable lcd but same
prb plz help