Try change slot to see if you can boot:Does anyone have any insider info about when the A12 branch is going to be updated.
I can't get TWRP 3.7.0_11-0 work on my OnePlus 8 device with A12 OOS. After I've booted into Fastboot Mode, flashed the recovery partition and chosen the Recovery Mode by pressed power button, my device restarted and it booted into Fastboot Mode again.
- fastboot --set-active=a
- . . .or. . .
- fastboot --set-active=b