1 Find "Network mode"
Slide your finger down the display starting from the top edge of your tablet.
Press the settings icon.
Press the settings icon.

Press Connections.

Press More networks.

Press Mobile networks.

Press Network mode.

2 Select network mode
Press 4G/3G/2G (auto connect), 3G/2G (auto connect), 3G only or 2G only.

3 Return to the home screen
Press the Home key to return to the home screen.
