switch from fastboot to recovery rom -

slot: B Devices on super may not mount until rebooting recovery To flash additional zip please reboot recovery to switch to the update slot

Flashing AB zip to inactive slot: A To flash additional zips, please reboot recovery to switch to the updated slot Error installing zip file With AB

topwin slot ZIP via TWRP IMG - Flash TWRP via TWRP ZIP

topjitu slot I installed manager directly on android stick and patched the stock recovery image Then i rebooted into recovery by only pressing the Reset