How to repair the iphone 6 camera and the flashlight doesn't work

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Provided you don't have a hardware-related issue, you can fix a problem with your camera not working by following a few basic troubleshooting steps. In some cases, you could have the flash turned off. If that simple solution doesn't solve your problem, you can try resetting the camera software all the way up to completely restoring your iPhone to its original factory default settings. Provided you create a backup of your iPhone before completing the restore process, you don't need to worry about losing your data.
According to the customer’s feedback, iPhone 6 camera cannot be used and the flashlight cannot be opened.

Repair Process 

The damaged flashlight often causes the problem of an unworkable camera, so we check the flashlight. First measure whether the power supply of flashlight is normal. We find the power supply of flashlight is output by U1602 through its circuit diagram, as shown in picture 4-23 and material object is shown in picture 4-24.

After measurement, the work voltage of flashlight power supply chip U1602 is normal. After analyzing the circuit diagram of U1602, we know that I2C bus controls the work of flashlight power supply chip U1602 (picture 4-23). Remove flashlight power supply chip U1602 and measure the diode data to ground of I2C bus solder pad of pin E2 and D2 which is infinite. That suggests that the I2C bus of flashlight power supply chip disconnects. I2C bus still connects the rear camera’s socket. Measure the diode data to ground of rear camera’s socket which is normal. Thus the circuit on the board of flashlight power supply chip U1602 solder pad disconnected. Jump a wire from the rear camera’s socket to flashlight power supply chip U1602 solder pad and then assemble flashlight power supply chip U1602, as shown in picture 4-25 and 4-26.

Picture 4-23

Picture 4-24

Picture 4-25

Picture 4-26

Assemble iPhone and get into IOS to test. The function of camera and flashlight is normal. Trouble is removed.

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