Cannot open dev mmcblk0 read only file system July 8, 2019 16 32 64 128 Fdisk cannot open dev mmcblk0 read only file system Failed to open '/dev/mmcblk0' read-only file system Could not open /dev/mmcblk0 read-only file system /dev/mmcblk0p1 read-only file system /dev/mmcblk0 read-only file system
