fastboot set_active command does not exist

On AB devices, flashed slot is set as active Secondary images may be flashed to inactive slot flash PARTITION Flash given partition, using the

Change CSC with one click; Remove FRP for new security patch Auto-detect file and select slot; Auto-extract for ZIP file; Ignore MD5

change slot Sustainable Impact Creating lasting, positive change for the planet, our people, and the communities where we live, work, and do business

clover link slot online I am trying to root my Xiaom mi a2 phone But i am stuck on changing the active partition When i enter fastboot set_active b it doesnt