fastboot flash boot_a boot.img
fastboot flash boot_b boot.img
fastboot flash system_a GSI.img
fastboot flash system_b GSI.img
fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img
All those should be flashed in one go without rebooting. boot and vbmeta are those taken from OOS stock rom.
https://forum.xda-developers.com/oneplus-6/how-to/guide-how-to-flash-q-gsi-op6-t-t3948463
fastboot flash boot_b boot.img
fastboot flash system_a GSI.img
fastboot flash system_b GSI.img
fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img
All those should be flashed in one go without rebooting. boot and vbmeta are those taken from OOS stock rom.
https://forum.xda-developers.com/oneplus-6/how-to/guide-how-to-flash-q-gsi-op6-t-t3948463
