hey man, i had the same problem. check if there are battery bars. if not im afraid you bricked your controller and you will have to take it apart and use an st-link to unbrick it. join the discord server and you will get all the help you may need

Hello, i have a mi essential/lite that i had swapped the controller and battery from an original m365 and i want to add the smaller 5.2 pack that originally came with my scooter to run them together with something like a Y cable. does anyone know if its possible? (i want to put the smaller pack in a...