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I didn't use the cable suggested, but performed a similar test on a Max 2 using a micro-usb hub that can draw power from a computer's usb port (actually using a cable that has a usb plug on one end with the other end looking like what's typically seen on an ac adapter).
Connections were like:
- hub to pc via usb for power
- hub to Max 2 via micro usb
- sdcard reader with media into the hub
What I found was:
1. Initially I was able to see the content of the USB drive - a USB logo appeared alongside the wireless indicator at the top of the screen and the drive content was "explorable" in the usual Android fashion
2. HOWEVER, ejecting led to the drive being recognized immediately again
3. AND, after wondering what to do for a while, shut down the Max 2 -- but examining the content of the micro sd on a pc showed there were no longer any files on it
Perhaps it was the shut down process or may be Android decided to reformat...in any case, probably not a good idea to test with media that has any non-backed-up info on it.
Last edited by sogaiu; 02-10-2018 at 08:12 PM.
Reason: minor grammatical changes
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