Then soft reset your Iphone by pressing āpower on button and volume down buttonā together for few seconds and then leave power on/off button but keep pressing volume down button until your phone gets into recovery mode. Itunes will detect your phone and asks you to restore it. Then hit ārestoreā. It will take a few minutes and it will
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
This is a considerable investment in cash but also time, donāt do your first micro-soldering repair on an otherwise good deviceā¦not to mention that the Audio IC is a deceptively difficult repair with plenty of gotchaās that can turn your phone into a brick. If you do this, get some dead or iCloud locked phones and practice a lot first. Have a 7plus here with a broken mic. I know about the common issue and just done a factory tunes reset. Used to just screens and shit, but havingā¦ 20.2K subscribers Subscribe 70K views 4 years ago iPhone 7 Plus Audio IC U3101 Replacement. Repair For No Sound, Slow Boot, Voice Memo Record Function Deactivated, etc. (With Explanation) .