Frequently Asked Questions
Quick answers to common eSIM questions
Quick answers to common eSIM questions
Answers to the most common questions about eSIM for European travel.
An eSIM is a digital SIM built into your phone. You download carrier profiles by scanning a QR code instead of inserting a physical card. It works identically to a regular SIM but without the physical component.
Go to Settings → Cellular (iPhone) or Settings → SIM Manager (Android). If you see "Add eSIM", your device is compatible. See our device guide for a full list.
Yes — dual SIM lets you keep your home number on the physical SIM while using eSIM for data. Both work at the same time on supported devices.
5–10GB for 1–2 weeks with moderate use. 15–20GB for heavy use including video calls. Download offline maps on Wi-Fi to significantly reduce usage.
Always verify Switzerland, Norway, Iceland, and the UK — they're outside the EU and often excluded from European plans. Check the provider's country list explicitly.
Most plans permit hotspot/tethering. Verify before purchasing. Some plans throttle hotspot separately. Confirm tethering is unrestricted if laptop connectivity is important.
Your connection throttles to 128–512 kbps. Top-ups are available through most providers' apps. Set data alerts in your phone settings to avoid surprises.
1) Check eSIM is set as data line. 2) Enable Data Roaming. 3) Toggle Airplane Mode. 4) Manually select network in Settings. 5) Restart device. 6) Contact provider support.
eSIM profiles are device-specific. Contact your provider for a new profile when changing phones. Most providers do this at no charge.