Chosen Solution
My microphone only works on calls when I’m on speaker and it only works on my camera, when I’m on snapchat and Instagram it makes a static noise, solutions to fix?
No sound on phone calls on the 7 would point to the audio IC it is a signature fault with this model. If it also has any of the following symptoms it would confirm it. These are the symptoms of audio IC failure on the 7 series. · Callers can’t hear you · You can’t hear callers · Voice memos are greyed out · Sound doesn’t record on videos · Siri can’t hear you · You hear static on calls · Speakerphone doesn’t work · Phone takes a very long time to boot The audio IC repair requires microsoldering as jumper wires need to be installed.