It is most likely a failure in the Audio IC chip. On soldering on the Audio IC chip on the iPhone 7 is notoriously weak. Physical damage such as a drop will cause it to come loose and stop functioning. You will notice that all microphone related fuctions stop working. Another sign is if you turn the phone off, it takes about 5 minutes to reboot
However, I can understand that you may not wish to have external links, so after you deleted my first answer, I took the time to write a second answer to the OP's valid question. I let him know the truth--that Audio ic disease in iPhone 7 and 7 plus is very repairable and I recommended that he consider contacting his local microsolderer who has
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Apple's out-of-warranty repair fee for this issue is over $300 in the United States, according to affected customers on the MacRumors forums and Twitter. iPhone 7 and iPhone 7 Plus devices still
iPhone 7 plus's various problem have solved ( TRINITY IC,AUDIO AMP) at KSB Mobile Solution's workshop. call us for your android and iOS mobile phone.. MerOne Music · Sweet Feelings
Method 4: Check the Headphone Mode. Method 5: Set Call Audio Routing. Method 6: Update iPhone System. Method 7: Restart Your iPhone. Method 8: Restore iPhone via iTunes. Method 9: Reset All Settings. Method 10: Fix iPhone 7 No Sound on Calls Speaker Greyed out with TunesKit iOS System Recovery.
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iphone 7 audio ic solution
