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Improving Mic Levels on Speakerphone

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New member
Oct 17, 2021
Hi All, I have a Umidigi Bison (1st Gen) and the phone has been solid overall, but I have an issue whilst using speakerphone.

The callers always complain that they can't hear me. So basically I have to scream most of the time. I don't have this issue when not using speakerphone.

Is there a setting in Engineering Mode that I can look at? I don't see a setting for speakerphone only voice...