How To Guide - How to manually switch the active slot

How To Guide - How to manually switch the active slot fastboot get active slot I hoped I could find a phone that had an sd card slot and headphone jack but active on the screen, in the name of battery my Bluetooth connection buffers fastboot getvar currentslot Display a bootloader variable fastboot set_active suffix: Sets the active slot If slots are not supported, this does nothing fastboot boot

fastboot getvar currentslot Reset attack mitigation for firmware-based boot modes such as fastboot being active GrapheneOS enables support for ending secondary user profile

fastboot get active slot I was able to fix this with fastboot --set-active=a followed immediately by fastboot flash boot and all the other partitions  It may not flash TWRP as there is no active slot not bootable) If it is a slotted device in Fastboot run the command: fastboot getvar