Openline works on the OnePlus 12 through the standard Android eSIM install flow.
Step-by-step install on OnePlus 12
- Connect to Wi-Fi.
- Open Settings and search for eSIM or SIM — the exact path is:
- OnePlus: SIM cards & mobile networks → Add eSIM.
- Tap Add and scan the QR code from your Openline email, or paste the manual activation code.
- Confirm and label the plan Openline.
- Enable Data roaming.
- Set Mobile data to Openline.
Notes for OnePlus 12
- Restart once after install if the network doesn't register within 60 seconds.
- APN is set automatically; if data doesn't come up, add an APN named
openlinemanually.
Still stuck?
Reach Openline support 24/7 through any of these channels:
- Live chat — inside the Openline app or at openline.com
- Email — ask@openline.com
- WhatsApp — wa.me/15554842461
- Messenger — m.me/askopenline
- Contact form — openline.com/contact
- Social DMs — @askopenline on X, Instagram, Facebook, YouTube, TikTok
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.