Turkey's Tier-1s (Turkcell, Vodafone TR, Türk Telekom) have shut down 3G. Your device must support VoLTE on Turkish LTE bands (Band 1, 3, 7, 8, 20) for calls to work reliably. Most flagship devices from 2020+ do; some regional variants may not.

Practical check

Before travelling, verify your device advertises VoLTE support for the destination's bands. Google "Does [your phone model] support VoLTE in Turkey?" or check the manufacturer's spec sheet.

If your device doesn't support the local VoLTE profile:

  • Data (Openline) still works normally.
  • Voice apps (WhatsApp, Signal, FaceTime, Zoom) work fine because they ride the data path.
  • Traditional voice calls to a phone number may fail — but Openline doesn't provide those anyway, so this matters only for your home carrier's line while roaming.

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.