Choosing which nano SIM card to use for your data connection

When you have two nano SIM cards inserted on your phone, only one card can be used to connect to the Internet at a time. If you're using Google or third-party apps, you can also choose which one to use as the default card for making phone calls and sending SMS/MMS messages.

Note: Dual SIM card support varies by phone model, region, and country.

1. From the Home screen, swipe up and then tap Settings > Dual network manager.
2. Tap Data network, and then choose the card to use for connecting to the Internet. .
3. Tap Voice calls and SMS messages respectively to set the default card to use for making phone calls and sending SMS/MMS messages.