A: Close the app, reset Bluetooth, and restart. The flash likely succeeded; the app just lost connection.
If the update freezes near completion, it is usually due to a Bluetooth signal dropout. ninebot firmware update
Updates frequently tweak the Battery Management System. These adjustments optimize charging cycles, prevent overcharging, and extend the overall lifespan of your lithium-ion pack. 2. Improved Safety and Braking A: Close the app, reset Bluetooth, and restart
If the app freezes but the scooter is still on: A: Close the app