1. Find "Voice & Data"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-21d7a905-4c75-4f06-9feb-a01b697fcf2d.png?width=192&height=340)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-5eff80d5-cab0-49af-a0f8-8a0b7eeaf751.png?width=192&height=340)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-97ee239f-2734-46d0-bf03-c58eb92ebe30.png?width=192&height=340)
Press Voice & Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b8a81b39-958f-45b0-8640-9639db70efdf.png?width=192&height=340)
2. Select network mode
To use 4G for both voice calls and mobile data, press 4G, VoLTE On.
You can use 4G for voice calls via the mobile network for a faster and better connection.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1365b996-b901-4612-9ef4-84315ae99a78.png?width=192&height=340)
To use 4G for mobile data only, press 4G, VoLTE Off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1365b996-b901-4612-9ef4-84315ae99a78.png?width=192&height=340)
To turn off use of 4G, press 3G.
Your phone automatically switches between 2G and 3G depending on whether you have 3G network coverage or not.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1365b996-b901-4612-9ef4-84315ae99a78.png?width=192&height=340)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1365b996-b901-4612-9ef4-84315ae99a78.png?width=192&height=340)