Select network mode

You can select which network modes your phone should use. This selection influences the data speeds you can achieve.

Sony Xperia Z1
  • 1
    Find "Network Mode"
    • Slide your finger down the display starting from the top edge of your phone.
    • Press Settings.
    • Press More....
    • Press Mobile networks.
    • Press Network Mode.
  • 2
    Select network mode
    • Press WCDMA only, GSM only, WCDMA (preferred)/GSM or 4G (preferred)/WCDMA/GSM.
    • 3G (UMTS) or 4G (LTE) enables you to achieve higher data speeds than when using 2G (GSM). If you select WCDMA only, your phone can only connect to 3G networks. If you select GSM only, you can't achieve high data speeds. If you select WCDMA (preferred)/GSM, your phone automatically switches between 3G and 2G provided that you're within range of a 3G network. If you select 4G (preferred)/WCDMA/GSM, your phone automatically switches between the three network modes provided that you're within range of a 3G or a 4G network.
  • 3
    Return to the home screen
    • Press the home icon to return to the home screen.