1. The storage should use FAT32 format. Unzip the downloaded file and copy the update file to the USB drive2. Update does not decompress.
3. Open it in the folder, press the OK button on the remote control to select the upgrade, and wait for it to complete automatically.
4. It is strictly prohibited to power off during the upgrade process. Power off will cause damage and cannot be repaired.
5. There is a certain probability of upgrade failure, which cannot be repaired.