COMMON QUESTIONS
Technical and practical answers to common eSIM questions.
An eSIM is a GSMA-standardized programmable SIM embedded in device hardware. Carrier profiles are downloaded over-the-air via SM-DP+ servers instead of physical card insertion.
Settings → Cellular → Add eSIM (iOS) | Settings → SIM Manager (Android). Presence of "Add eSIM" confirms support. See our device compatibility matrix.
Yes — dual SIM maintains your home number on the physical SIM while eSIM handles data. Both operate simultaneously on supported hardware.
5–10 GB for 1–2 weeks moderate use. 15–20 GB for heavy use including video calls. Offline map pre-download significantly reduces consumption.
Switzerland, Norway, Iceland, and the UK are non-EU and frequently excluded. Always verify the provider's country list explicitly.
Most plans permit tethering. Some throttle hotspot separately. Verify before purchasing if laptop connectivity is required.
1) Verify eSIM is set as data line. 2) Enable Data Roaming. 3) Toggle Airplane Mode. 4) Manual network selection in Settings. 5) Device restart. 6) Contact provider support.
eSIM profiles are device-bound. Contact your provider for a new profile when changing devices. Most providers issue replacement profiles at no charge.