Make sure the battery is fully charged before upgrading the device!
1. Download the latest firmware from the website below:
2. Extract it to a FAT32 formated SD Card root.
3. Insert the SD card into the device, press and hold the "Menu" key and power on the device.
When seeing the “Firmware upgrade” LOGO display, it will start the upgrade automatically, it may take few minutes to finish the upgrade process.
Remember DO NOT remove the SD card during upgrade.