Unable to mount data or system error

slot: B Devices on super may not mount until rebooting recovery To flash additional zip please reboot recovery to switch to the update slot

1 Download TWRP to PC and rename it to · 2 Connect the phone to the PC in fastboot

toto12 slot Hey, mates! Anyone able to solve this? I flashed TWRP and Magisk successfully, but every time I try to flash a custom rom it gives me

top slot sites uk Everything works fine Yesterday system updater was trying to update to the newest version but it fails I know, I changed boot partition so it