790T:
1.Long press Charging button till CONNshows on the LED display.
2.Click update.
3.Input password of the WIFI.
4.Click Connect and update.
811GB(Only for European countries):
1.Long press power button 3 second till the WIFI flash slowly.
2.Click update.
3.Input password of the WIFI.
4.Click Connect and update.
1.Long press Charging button till CONNshows on the LED display.
2.Click update.
3.Input password of the WIFI.
4.Click Connect and update.
811GB(Only for European countries):
1.Long press power button 3 second till the WIFI flash slowly.
2.Click update.
3.Input password of the WIFI.
4.Click Connect and update.