Write oem file wich included in the File And Flash This Firmware In Upgrade Mode
Only Unlocked Bootloader --- Flashing By HalabtechTool --- more info here (https://bit.ly/33zK24Q)
ART-AL00CY 9.1.1.157(C00E54R6P1)_Firmware_general_EMUI9.1.1_05016NCW