fastboot commands

Android phones can now have an A and a B partition system for the OS and we can use this fastboot command to check and see which slot is currently active

Get active system slot fastboot getvar current-slot fastboot getvar all Get active system slot

fastboot change slot 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

fastboot set active slot boot anymore and only fastboot is fastboot getvar current-slot current-slot: b Finished Total time: fastboot --set-active=b