I have similar issue. Using iphone 7, my lightning headphones are not working (after plugging in the sound comes from the speaker, not the headphones). Also issues with Bluetooth connection with headphones. It is not working. Also, the phone is freezing during doing the photos. Sometimes it is impossible to switch the camera to the front one. And the worst is that during phone calls I can not hear the speaker. How is that possible? ALL AT ONCE ?!
Igoroo
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Kraków, Poland