iPhone 6s screen goes off one time during boot
Hello, I replaced the screen on an iPhone 6s with an original (refurbished) replacement part. Since the repair, everytime I boot the phone, after a few seconds the screen goes black, then the apple logo appears again and it boots normally and works perfect most time, sometimes the touch isn't working, then I have to lock and unlock the phone and everything works fine. What could the issue be?
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