Select Network Mode on Vivo V9
- On main screen, select (Settings)
- Tap (Mobile network)
- And then select (Network Mode)
- Network Mode
- 4G (preferred)/3G/2G = automatically select network respectively
- 3G (preferred)/2G = automatically select 3G (WCDMA) and 2G (GSM)
- 3G Only = select 3G (WCDMA) only
- 2G Only = select 2G (GSM) only : EDGE and GPRS