Greetings to everyone, thank you for welcoming me. I have a problem with my DM 900 UHD: after corrupting firmware in the third slot, it doesn't allow me to load new images, only the old ones.
Warning: Could not read CA!
Warning: Please consider updating your rescue loader!
[*] Remounting '/dev/mmcblk0p3' to '/data'
Warning: Could not read CA!
Warning: Please consider updating your rescue loader!
[*] Mounting '/dev/mmcblk0p2' to '/mnt'
/mnt/etc/recovery/backup-hooks.d/fstab.sh: line 4: can't create /mnt/etc/enigma2/fstab.bak: Read-only file system
[*] Unmounting '/mnt'
umount: can't unmount /mnt: Device or resource busy thanks
this is the message that comes up for me