1>. Copy the upgrade files to the root of TF card or USB device. (Tips: TF card or USB device file system must beFAT32 format)2>. If use USB device to Plug it into the OTG host of the box.3>. Switch to APPSList, Find out the “UPDATE” application, and Press OK Key into sub-menu.4>. Move the cursor to “Local Update”button, Press OK key to select the upgrade file.
To be find out the upgrade file and Press OK key to confirm.
5>. Select the two checkbox of wipe data and Wipe Media. Movethe cursor to “ Confirm” button and Press OK key to upgrade.6>. The upgrade process will take 3mins Pleasedon’t power off during the upgrading . After upgrade finished, the box will reboot automatically.