slot _a is unbootable
Bí quyết root BLU G51 mà không cần twrp recovery
img. Sau đó cho máy vào fastboot rồi chạy command fastboot flash boot ... active slot _a / _b. Click to expand... supperchym said: · https ...
7 Solutions to a Disk Read Error Occurred in Windows 10/7/8 - ...
If it is still unbootable, try the next solution to fix disk error occurred. ... How to make a backup while the system is unbootable with “A disk read error occurred” message.
Slot Unbootable: Load Error, Device State: Locked
When the counter reaches 0 the bootloader will automatically mark the slot as "unbootable" and switch to the other slot.