Huawei P9 lite

Find "Carrier"

Press Settings.

Find "Carrier"

Press More.

Find "Carrier"

Press Mobile network.

Find "Carrier"

Press Carrier and your phone will search for networks.

Select network

If you want to select a network automatically, press the indicator next to "Choose automatically" to turn on the function.

Select network

If you want to select a network manually, press the indicator next to "Choose automatically" to turn off the function.

Select network

Press OK.

Select network

Press the required network.

Return to the home screen

Press the Home key to return to the home screen.