U
Disk Upgrade
- A USB disk is formatted
as FAT32. - The firmware is placed in
the root directory of the USB disk. - Insert the product USB
interface. - (If you can see the
interface, you can see the progress of the upgrade on the interface. If you
can’t see the interface, connect the box to the USB power supply and insert
the USB disk for 3 minutes.) this method is called blind
rise. - Dial the USB disk
according to the reminder.