1. Find "Voice & Data"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-41ffa20b-57de-4a47-969c-f76446ade6e0.png?width=204&height=366)
Press Mobile Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0d4613e2-b0b8-49d3-86b4-3891a85896f6.png?width=204&height=366)
Press Mobile Data Options.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-2cf83346-01f5-4700-9e65-05182940622c.png?width=204&height=366)
Press Voice & Data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-32239fd7-8887-4305-9eb7-f719e4f53aec.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-8dc8755b-68d2-4131-b6b8-c7541629043b.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-8dc8755b-68d2-4131-b6b8-c7541629043b.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-8dc8755b-68d2-4131-b6b8-c7541629043b.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-8dc8755b-68d2-4131-b6b8-c7541629043b.png?width=204&height=366)