How to Check and Change Current Active Slot on Android [Fastboot

How to change the current active partition slot? fastboot change slot switch slots ourselves using a Fastboot command Changing Android's Active Partition fastboot set active slot fastboot recovery mode that shows signal strength and IMEI No They showed as having a uSD slot, so hopefully they have the correct chipset

fastboot get active slot Fastboot firmware, ZIP firmware is official from Xiaomi EU ROM, TWRP and Card slot microSDXC Internal 64GB 4GB RAM, 64GB 6GB RAM