iPhone 7 and 7 Plus: No Sound During Phone Calls (Audio IC Issue)
Are you having trouble hearing others during phone calls? Or perhaps there’s no sound at all when you make a call? You may have already taken your phone to a local shop, where they attempted to replace the speaker, but the issue persists. This is a common problem with the iPhone 7 and 7 Plus, especially if the device has been dropped on a hard surface.
In the iPhone 7 and 7 Plus, the audio and microphone functions during calls are controlled by the “Audio IC U3101.” If you’re experiencing any of the following symptoms, your phone likely requires a U3101 replacement:
– No sound during calls, but audio works when playing music.
– You’ve replaced the speaker, yet others still cannot hear you.
– No sound when playing music, despite having replaced the speaker.
If you’re facing these issues, it’s time to consider a professional repair
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