How to switch slots without a computer or using TWRP?

slot ab twrp slot a slot b 3:32 Go to channel · What's AB Partition System - Android 1234 slot pg twrp,how to flash custom rom on Mi 11x,ab partition How to change Android system boot

megaplay slot Hello, If you are sure only the slot b is modified, then flash on slot b This way, both will be stock afterward