iPhone Users
- Open the Settings app.
- Find Mobile Data or Cellular from the menu.
- Tap Mobile Network
- Disable the automatic option.
- Tap on the required network, or toggle the automatic option back on.
Android & Samsung Users
- Open the Settings app.
- Tap on Connections or search for ‘Network Operators’.
- Tap Mobile Networks
- Tap Network Operators
- Uncheck Select Automatically
- Tap on the required network, or toggle the automatic option back on.