This is the Sony Xperia Z Ultra C6802 hardware solution for display LED lights failure problem that shows a dark or black screen display.
In troubleshooting this problem you may need to try to replace Nokia 215 LCD screen first to easily confirm if the LED light bulb is already damaged or not. If the said newly installed LCD still shows a dark screen display and the LED failed to light up, this solution below will show us the next step to proceed in fixing this problem.
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How to Make a Jumper in the Socket Display
Prepare a cable smooth and adjust the length that we will connect its tracks
Heat Tin with solder for attaching fine wires so that it will closely united.
Use a voltage tester to measure the jumper cables.
Tips & Warning
Make sure the jumper cables are connected properly so that it can deliver a good flow.
Make sure that the jumper cables are not connected directly with the other jumper cable.
The only hint of Mobilerdx on how to make a lane jumper socket on the Nokia 111. good luck
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