Galaxy S7 Edge Microphone Problems and their Solution -
Amazon.com: Wired 3.5mm Headset with Microphone for Samsung Galaxy Tab A7 Lite / A8 10.5 / s6 Lite / A7 10.4 / Compatible with Samsung EO-EG920LW (2 Pack) : Electronics
Amazon.com: Cubilux USB C Microphone, Type C Lavalier Lapel Clip MIC Compatible with Samsung Galaxy S23/S22/S21Ultra Tab S9/S8/S7/S6, iPhone 15, iPhone 15 Pro Max, iPad Pro, Pixel 8/7/6 Pro 7a/6a, 10 Feet :
samsung galaxy s7 g930f mic not working final solution 100 - YouTube
Microphone - Mic for Samsung Galaxy S7 Edge - Maxbhi.com