Low sound levels, specially microphone

[Porru]

Okay, understood.

I feel like testing Pi/e/, but need before more info.
Will this work?

[HOWTO] Upgrade manually from e-Nougat | e-Oero to official e-Pie builds without data loss

Of course, a flawlessly functioning OTA is the non-plus-ultra for system upgrades. In my opinion the manual flashing of the “official Pie Builds” does not cause any problems even for the beginners among us, because the upgrade can be done via the TWRP-Recovery already installed in the respective device. Please note Backup your data. Even if this installation is an upgrade installation WITHOUT data loss, a backup is recommended. The latest TWRP Recovery version must (should) be installed. T…