The SM-DP+ handshake was cut off before completion.

Fix: Delete any partial line, switch to a strong Wi-Fi network (not hotel/airport/corporate), turn off VPN, and try again. If your purchase code was consumed, use Reinstall from openline.com to get a fresh install token.

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.