This is where 90% of new users fail. You must bind your Mi Account to the specific Poco X3 Pro.
Your phone will restart and, because it was factory reset, will be in its "out-of-the-box" state. You will need to set it up again.
, you must use Xiaomi's official tool and follow a specific sequence of account binding and waiting. how to unlock bootloader in xiaomi poco x3 pro new
Release the buttons only when you see the iconic text or the Mi Bunny graphic on the screen.
Press and hold the button and the Power button simultaneously. This is where 90% of new users fail
After the time expires, repeat the steps in Phase 2 to officially unlock. Verification
When setting up your device again, you will notice an unlocked padlock icon at the top of the boot screen, confirming that your Xiaomi Poco X3 Pro bootloader is successfully unlocked. You will need to set it up again
Note: If you get an error, turn off WiFi, use mobile data, log out of the Mi Account, log back in, and try again. Boot into Fastboot Mode: Turn off your POCO X3 Pro.