Antwoord op "No signal after power flex replacement"It is the one closest to the screw hole. So it is number 1.
Antwoord op "No signal after power flex replacement"The one i fixed had broke the resistor clean off, so i just soldered between the 2 points. Try to get a magnifier to see closely if it is missing.
Antwoord op "iPhone 5 no service or no signal."I had this problem when i changed powerflex on iphone 5. The screwdriver slipped and it then wouldnt find signal. I found out this was missing: After soldering this it had fine signal again. Maybe you have some corrision around this area, that has to be cleaned.
Antwoord op "Th screen stays black after a digitizer replacement."Thanks alot for this information, i had the same issue with an ipad mini at work, forgot to disconnect battery, so no backlight. A little soldering did the job, perfect backlight again. Thank you.