Before you start

This guide will show you how to switch between 2G, 3G and 4G if you experience problems in the network. NOTICE: SCREEN IMAGES MAY DIFFER FROM YOUR ACTUAL DEVICE.

Select ""Settings""

Select ""All / More""

Select ""Dual SIM settings""

If you cannot find ""Dual SIM settings"", continue to the next step.

Select ""SIM1"" or ""SIM2"" and select ""Mobile networks""

Select ""SIM1"" or ""SIM2"" and select ""Preferred network type""

Select your preferred option