After OSUpdate device not booting from slot B even after marking

After OSUpdate device not booting from slot B even after marking fastboot set active slot fastboot getvar current-slot current-slot: b Finished Total time: fastboot --set-active=b Setting current slot to 'b' OKAY fastboot set active slot I had to install Android 9 on both (You can check the active slot with fastboot getvar current-slot , and select a slot with fastboot --set

fastboot set active slot But i cant uninstall those modules without twrp So i decided to flash twrp into a boot slot via fastboot then, i set the active-slot to that but then I still

fastboot getvar currentslot Advanced features include Active When placed in an HDMI slot on a television set or computer monitor, the device turns that display into a personal computer  According to the install instructions the OS was flashed to both slots Just try fastboot --set-active=a and fastboot reboot If the phone