You can build/install mmc-utils on the device (even from Google's repo,[1] if outdated) but can't access the storage device paths without root. If you're on a c

You can build/install mmc-utils on the device (even from Google's repo,[1] if outdated) but can't access the storage device paths without root. If you're on a custom ROM, the mmc command might even be part of it. 1: https://android.googlesource.com/platform/external/mmc-utils/ https://android.googlesource.com/platform/external/mmc-utils...