D500 White Display

i have a D500 with white display

first i open it and changed strip its ok
then i closed it after this its again white
open again check connector all are ok again change new strip but display is white now i can changed many strip but some time the display is ok for 2 to 3 seconds after this gone back to white

LCD is ok
Strip is ok
Connectors are ok
I already flashed phone but no result

so plz if anyone have soloution
plz post here

problem is flex cable
change flex cable and post result

Yes mostly fault of flex cable

i already told that i have changed 7flex(strip) cables but no result

Quote:

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Originally Posted by khan00012

i already told that i have changed 7flex(strip) cables but no result

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Dear you did not mention , that your set on call making or not ?