In order to remove the BENZING One Loft Race from your M1 device, connect it to your PC using the USB cable and install the latest drivers available. After that, open My Computer/Computer and double click the M1 drive. Locate the BENZING One Loft Race directory, right-click on it and select Delete. Also, you can delete it by resetting the device to its factory settings. For this purpose press one by one the blue, yellow and red buttons and confirm the operation by pressing OK (green button). Check the official user guide for further information.
