Changing Android's Active Partition Slot

fastboot get active slot   Dan fastboot_ error_ failed to identify current 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

Display a bootloader variable fastboot set_active suffix: Sets the active slot If slots are not supported, this does nothing fastboot boot Flash all partitions from $ANDROID_PRODUCT_OUT On AB devices, flashed slot is set as active Secondary images may be flashed to inactive slot

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