AppleiPad Mini 3 - iOS 11NetworkChange networkmode
Your Apple iPad Mini 3 automatically joins the fastest data connection available. In some situations, you may want to switch to 2G, 3G or 4G. To manually select the connection type, follow these steps.
Note: Switching down to either 2G or 3G respectively when in either a 2G only or 3G only coverage area will help save battery life.
To start using a faster internet connection again, switch back to a higher network mode.
Go to the Start screen.
Choose Mobile Data.
Choose Mobile Data Options.
Disable Enable 4G.
The Apple iPad Mini 3 has been set to the lowest possible network mode.