1. Find "Network provider"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d078d7ca-4d29-4210-b731-86988731af96.png?width=200&height=448)
Press Mobile network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-20dce25d-8f1e-42fe-b216-9350fcc9105f.png?width=200&height=448)
Press Mobile data.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-11751bac-fa6c-4da0-a105-9d92aefdca09.png?width=200&height=448)
Press Network provider below the required SIM.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0c2c2320-84cf-48e1-8991-22dc9f742dce.png?width=200&height=448)
2. Select network manually
Press the indicator next to "Automatic" to turn off the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-700dac2b-b152-4303-a466-be10f24f6957.png?width=200&height=448)
Press OK and your phone will search for networks.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f4299c9a-47df-47f6-bb0d-eb8288d6df59.png?width=200&height=448)
Press the required network.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a349312d-0e19-4938-aa65-69b867acced6.png?width=200&height=448)
3. Select network automatically
Press the indicator next to "Automatic" to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a349312d-0e19-4938-aa65-69b867acced6.png?width=200&height=448)
4. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-700dac2b-b152-4303-a466-be10f24f6957.png?width=200&height=448)