1. Find "Mobile Data Options"
Press Mobile Data.
Press Mobile Data Options.
2. Select network mode
Press the indicator next to "Enable 4G" to activate or deactivate the function.
4G/LTE enables you to achieve higher data speeds than when using 3G or GSM. If you activate 4G/LTE, your tablet automatically switches between the network modes provided you're within range of a 4G/LTE network. If you deactivate 4G/LTE, you can't achieve high data speeds.
3. Return to the Home screen
Press the Home key to end the session and return to the Home screen.