Developer's DescriptionBy Shenzhen Proscenic Technology790T: 1. Long press "Charging" button till "CONN"shows on the LED display. 2. Click "update". 3. Input password of the WIFI. 4. Click "Connect...790T:1.Long press "Charging" button till "CONN"shows 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".