Unlock Bootloader ( Load Fastboot ) By Chimera or hcu And use This File
Only Unlocked Bootloader --- Flashing By HalabtechTool --- more info here (https://bit.ly/33zK24Q)
AGS2-W09HN 9.1.0.131(C00E131R1P7T8)_Firmware_EMUI9.1.0_05015KHD
AGS2-W09HN 9.1.0.120(C00E120R1P7T8)_Firmware_9.1.0_r1_EMUI9.1.0_05015KHD
AGS2-W09HN 8.0.0.250(C969)_Firmware_EMUI8.0_05016CVL
AGS2-W09HN 8.0.0.230(C999)_Firmware_EMUI8.0_05016MUG