Selecting a default SIM for your data network

  1. First you need to do is go to applications.
  2. Then tap on the setting tab.
  3. Tap on the SIM cards option.
  4. Then choose the mobile data option.
  5. Under the “Preferred SIM” option, choose operator 1 or operator 2.
  6. You have now successfully chosen your default SIM for data network. You can tap on home now to exit.