My S6 microphone failed. With speaker on, I can use my voice to text, including email, and the other party on a phone call can hear me. I don't mind manually turning on the speaker when on a call. If I can keep the speaker on, I may keep the phone, save the cost of a new one, and still be able to use the texting function. So, is there a way? I saw someone say it might be active in driving mode. I can't find Dr. mode in Settings. If that would do it, how do I find that mode? Or ehat else would work? Thanks.