- USB-C flash disk / USB flash disk + OTG convertor
Please follow the steps below:
1.Prepare a small USB flash drive (16/32GB) and format it as FAT32.
2. Download the upgrade file to the USB disk root directory
3. Connect the USB flash drive to our device, and it will automatically perform the upgrade after the device is restarted.
Note:It also supports manual firmware selection through Device Info > System Upgrade.