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How To Fix an iPhone 7 That Restarts When You Make A Call

From Repair Wiki
How To Fix an iPhone 7 That Restarts When You Make A Call
Device IPhone 7, IPhone 7 Plus
Affects part(s) Main Logic Board
Needs equipment Soldering Iron, Hot Air Station, Microscope
Difficulty ◉◌◌◌ Easy
Type Part replacement


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Problem description

How To Fix an iPhone 7 That Restarts When You Make A Call. Basically, it will restart or shut off as soon as you start the call.

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Symptoms

  • Phone restarts when you make a call

Solution

Troubleshooting

  • Unplug the Front Facing Camera, then test again
  • If the issue is solved, then plug in a new front-facing camera flex cable and try again

Explanation:

Usually this is caused by the ALS or proximity sensors getting some corrosion from liquid damage.

It's easier to just replace the part, but sometimes, you can clean off the corrosion with a toothbrush and isopropyl alcohol and get the flex working again.