I think my M0 occasionally freezing and the menu going into auto-pilot are linked to the microSD card. I fear the Shanling M0 has issues with read speeds.
I am using a SanDisk Ultra 400GB microSDXC Class 10. I can confirm the 100 MB/s read speed via Blackmagic Disk Speed Test. Fully loaded it still manages > 50 MB/s in a stress test. BUT when I insert it into the Shanling M0 and use the USB storage mode, speed drops down to 10-15 MB/s and sometimes lose the connection altogether ("not correctly removed").
The card is formatted in exFat, the macOS Disk Utility says that everything is in fine order. Mounting it normally in the iMac's card slot everything is fine, only if I use the included USB C cable errors occur and obviously the M0 has problems with the speed.
Could anybody kindly perform the Blackmagic stress test on his M0 with USB mode via cable and share the results? I will try to get my hands on a smaller microSD and try if the read speed improves.
The M0 is probably USB 2.0 so speeds will be slower.
If you want to transfer music transfer it direct to the SD card via your mac.
The speeds will be the similar with all types of cards.