[Android T] How to flash GSI

MTK 平台
CTS-on-GSI (Cannot have root permission)
1、Flash user full load
2、Boot to home screen
3、Settings --> System --> Developer options --> OEM unlocking
4、Reboot phone into fastboot mode by “adb reboot bootloader” or “press volume up key + power key”
5、Connect phone to PC and then type following commands
6、fastboot flashing unlock(press volume up key)
7、fastboot reboot fastboot
8、fastboot flash system system.img (system.img is GSI.)
9、fastboot reboot

VTS (Need root permission)
1、Flash user full load
2、Boot to home screen
3、Settings --> System --> Developer options --> OEM unlocking
4、Reboot phone into fastboot mode by “adb reboot bootloader” or “press volume up key + power key”
5、Connect phone to PC and then type following commands
6、fastboot flashing unlock(press volume up key)
Project which kernel is kernel-4.14 or kernel-4.19:
7、fastboot flash boot boot-debug.img(Please get boot-debug.img from MTK load.)
Project which kernel is kernel-5.10
7、fastboot flash vendor_boot vendor_boot-debug.img(Please get vendor_boot-debug.img from MTK load.)
8、fastboot flash preloader_a_preloader_XXX_SBOOT_DIS.bin
9、fastboot reboot fastboot
10、fastboot flash system system.img (system.img is GSI)
11、fastboot reboot