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13 iPhone 7 Boot looping Apple Logo After fall
I got an IPhone 7 sent in to me for repair. The IPhone are boot looping on Apple Logo after fall down. When I restore on iTunes the looping is gone. But after a few days the looping is BACK !!
Ive asked some of technician in my place, some of them said its because of Baseband CPU and some of them said because of the Audio IC.
My question is, how do I know wheres the faulty came from ? And what line should I checked for this issue ?
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