The solution is that within bluetoothctl, disconnect, untrust, and remove the device by bluetooth MAC address. Then, ensure your device is in pairing mode, scan and connect to the device.
минута по сути, прошивка - потом синий экран - перезагрузка = привет новая версия прошивки и пока данные
7. Do power recycle step after FW update -> System Power OFF then Power ON
8. After the update process completed, click "OK' button then system shutdowns automatically.