Samsung Galaxy s4 mini-changing from 3G to 4G
Find out how to change from 3G to 4G on your Samsung Galaxy S4 Mini, just follow these simple steps.
- Tap the Menu key and then tap Settings.
- Tap Connections then tap More networks.
- Tap on Mobile networks.
- Tap on Network Mode.
- Choose between 2G/3G auto or 2G/3G/4G auto.