iPhone: Settings → Cellular → Openline → Network Selection → the currently connected carrier is shown at the top (or as the highlighted one under Automatic).

Android: Settings → Network & internet → SIMs → Openline → Network operators → see the current selection.

On the status bar: Look at the carrier name next to the signal bars — that's your current partner.

Still stuck?

Reach Openline support 24/7 through any of these channels:

When you write in, include your purchase code (the OL-… code we emailed you) and, if the eSIM is already installed, its ICCID (Settings → Cellular → tap the Openline line). That's enough for us to find your plan and diagnose without back-and-forth.