In this video I will show you how to repair audio ic iPhone 7 Plus Facebook- groups Page- You will need to remove the audio IC .06A would point to a VDD_BOOST problem most likely under the audio IC. I have had a few of these returned and that has been the problem. I have put it down to faulty IC chips as it was the same batch of IC’s that were involved. - iPhone 7 iOS 14 iPhone 7 Plus Microphone Issues Ever since updating to iOS 14 my microphones as refused to work on any app, despite checking audio setting and restarting. It seems I’m not alone in this issue, but no one has posted any solutions as of yet. 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. There are 10 common iphone replacement chips for circuit board repair, we will introduce them in details one by one! 1. iPhone U2 USB Charging IC iPhone U2 IC chip is mainly responsible for You have an Audio IC failure, you can either do an out-of-warranty replacement at an Apple Store or Apple Authorized Service Provider or you can find a competent 3rd party repair site that can do board level soldering and have them replace the IC. If you do the latter Apple may not have anything to do with your iPhone in the future. This one is tough because you have two strong possiblities that are unrelated to each other. Water damage vs common audio ic fault. We know that iPhone 7/7+ have a board level epidemic where flexion during normal use will tug or pull at the C12 pad under the audio ic causing a poor connection. This manifests in the following ways: iPhone 7/7 A couple days ago my personal iphone 7 plus started malfunctioning severely. First, the mic stopped working during a phone call, then the earpiece speaker refused to work. Tried powering it off, and doing a hard reset. The result was a boot-looping device for the next 30 minutes. It finally stopped boot looping, and i was returned to my home K8W8.