The tool used by the Bluetooth device to upgrade the firmware is only for some devices that are compatible with the Bluetooth protocol. If it is not compatible with your Bluetooth device, please reply to let us know and we will optimize it.
The tool used by the Bluetooth device to upgrade the firmware is only for some devices that are compatible with the Bluetooth protocol. If it is not compatible with your Bluetooth device, please reply to let us know and we will optimize it.