06-25-2021, 08:43 PM
Not sure if this would be of any help or not, but you could try using a serial cable and see what the output is when you attempt to boot from a SD card.
I had an issue with the SD card booting and it turned out to be a hardware issue that can be solved by a setting modification in U-boot.
https://forum.pine64.org/showthread.php?tid=13775
I had an issue with the SD card booting and it turned out to be a hardware issue that can be solved by a setting modification in U-boot.
https://forum.pine64.org/showthread.php?tid=13775