Apple iPad Pro 12.9 (2018)
iOS 12.1
Select network mode
There may be different network modes available depending on where you are. The network mode influences the data speeds your tablet can achieve.
1. 1. Find "Mobile Data Options"
Press Settings.
Press Mobile Data.
Press Mobile Data Options.
2. 2. Select network mode
Press the indicator next to "Enable 4G" to turn the function on or off.
3. 3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.