Hardware killswitches are good. But if you can’t get a phone with a hardware kill switch you trust, remove the microphone from the phone. Open it up desolder it whatever you need to do. Then use your headphone jack to plug in a headset to when you need a microphone
Hardware killswitches are good. But if you can’t get a phone with a hardware kill switch you trust, remove the microphone from the phone. Open it up desolder it whatever you need to do. Then use your headphone jack to plug in a headset to when you need a microphone