(25-03-2021, 11:18 AM)Prince2 in my samsung a10s in fastboot mode it doesn`t shows fastboot mode it goes fastboot and restarts phone what it mean?
samsung devices don't have fastboot, at least not that i'm aware off
if you are looking to flash anything to the device then you must use odin
if you are looking to unlock bootloader, search for the specific instructions for your model