1. Find "Voice & Data"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-7c516ebd-9d55-43e4-8c13-280c44507f23.png?width=204&height=366)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-800c84f9-e682-463a-864f-5768e6b762b8.png?width=204&height=366)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-640c5a73-f2e6-4036-bb5f-b5f8ddcab438.png?width=204&height=366)
Press Voice & Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-778caea0-b153-446b-be9d-27f9d304cf97.png?width=204&height=366)
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-72e92c45-cb3c-4d80-afe4-b288766f3d2e.png?width=204&height=366)
To use 4G for mobile data only, press 4G, VoLTE Off.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-72e92c45-cb3c-4d80-afe4-b288766f3d2e.png?width=204&height=366)
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-72e92c45-cb3c-4d80-afe4-b288766f3d2e.png?width=204&height=366)
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-72e92c45-cb3c-4d80-afe4-b288766f3d2e.png?width=204&height=366)