How do I know which eSIM is using data?

To check which eSIM is using data, follow the steps below, depending on your device model:

iPhone (iOS)

1. Go to Settings → Mobile Data (or Cellular).

2. Look under Mobile Data to see which line is selected for data.

3. The active data line will show as “On” or marked as the default line for mobile data.

Tip: You can change the data line anytime by selecting Mobile Data → Mobile Data Line and choosing your preferred eSIM.

Android

1. Go to Settings → Network & Internet → SIMs (or Connections → SIM manager, depending on your phone).

2. Find the section labeled Mobile Data or Preferred SIM for data.

3. The eSIM currently selected for data will be highlighted or switched on.

4. You can tap the option to change which SIM or eSIM provides mobile data.