Frequently Asked Questions

An eSIM (embedded SIM) is a programmable chip built into your device that stores carrier profiles digitally. You download a carrier profile using a QR code or app, without handling a physical SIM card. Multiple profiles can be stored simultaneously, with one active at a time.

Scan a QR code provided by the eSIM provider. On iPhone: Settings > Cellular > Add Cellular Plan. On Android: Settings > Network & Internet > SIM cards > Add eSIM. Installation requires an internet connection; complete this before travel or using WiFi.

Yes, on most eSIM-capable devices. This Dual SIM setup lets you keep your home SIM for calls while using a travel eSIM for data. Specific capabilities vary by device model.

The EU Roam Like at Home regulation allows EU/EEA residents with EU/EEA contracts to use domestic allowances in other EU/EEA countries at no extra charge. Extended through 2032. Does not apply to non-EU travelers or non-EU European destinations.

UK (post-Brexit), Switzerland, Turkey, Serbia, Montenegro, North Macedonia, Albania, Kosovo, Bosnia, Georgia, and others. Travelers visiting these destinations should check carrier-specific roaming rates or use a travel eSIM covering these markets.

iPhone: Settings > General > About > look for 'Available SIM,' 'Digital SIM,' or 'EID.' All iPhone XS and later support eSIM. Android: Settings > Network & Internet > SIM cards > look for 'Add eSIM.' Google Pixel 3+ and Samsung Galaxy S20+ have strong support.

Depends on lock implementation. Some locks prevent all third-party eSIM profiles; others only lock the physical SIM slot. Contact your carrier to determine lock status and request unlock if eligible.

Light users (maps, messaging): 2-4GB. Moderate users (streaming, social media, occasional video calls): 5-10GB. Heavy users (remote work, video conferencing): 15-30GB+. When uncertain, choose more data than estimated.

Before departure is strongly recommended. eSIM installation requires internet connectivity, most reliably available at home. Most plans allow advance purchase with activation upon arrival.

Most plans permit hotspot use, but verify in plan terms. Some providers restrict tethering or count hotspot data differently. Confirm hotspot permissions before purchasing if you rely on your phone as a mobile hotspot.

Data throttling is the intentional reduction of internet speeds after a certain data threshold. Many plans include high-speed data followed by reduced speeds (128kbps-512kbps). At 128kbps, video calls become impractical; at 512kbps, light browsing remains possible.

For non-EU travelers, typically yes. Standard roaming from non-EU carriers can cost $5-$20/day for limited data; travel eSIM plans often provide 5-10GB for comparable or lower prices. For EU residents within EU, Roam Like at Home may make roaming cost-free.

Check eSIM is enabled in device settings; confirm data roaming is on; toggle airplane mode; check data balance. If issue persists, contact provider support via WiFi. Research provider support quality before purchase.

Most are data-only. Modern travelers use internet-based communication (WhatsApp, Signal) for calls and messages. Some providers offer plans with local phone numbers and voice/SMS at higher prices.

Regional European plans cover 20-40 European countries. Global plans cover many countries worldwide at higher per-GB cost. For Europe-only trips, regional plans offer better value and may provide better network quality.

eSIM profiles are device-specific. Most providers allow deletion from one device and re-download on another, with varying limitations. Check provider terms before purchasing if you anticipate switching devices.

5G offers faster speeds than 4G/LTE. For typical travel use cases—navigation, messaging, streaming, video calls—4G/LTE is more than adequate. Most travelers do not need to specifically seek 5G-capable plans.

Download maps offline; use WiFi calling when available; download media for offline playback; disable auto-updates; monitor usage via device data tracking or provider app; set data warning thresholds.

Dual SIM allows two SIM cards simultaneously: your home SIM for calls and texts, and a travel eSIM for data. This is the most common configuration for travelers who want to remain reachable on their home number while avoiding data roaming charges.

Physical local SIM cards (best value for single-country trips); international SIM cards (multi-country but higher per-GB cost); portable WiFi devices/pocket routers; standard international roaming from home carrier.

Yes. Carriers can apply fair use policies if domestic plan pricing is significantly below EU wholesale roaming rates. Check your carrier's specific fair use policy for roaming data limits.

A factory reset typically erases all eSIM profiles. Note your QR codes or contact the provider for re-issuance procedures before resetting. Some providers allow free re-download; others charge a fee.

Within EU/EEA, Roam Like at Home means EU/EEA residents can use domestic plans without additional charges. For travel eSIM users, crossing borders triggers automatic network switching to the local carrier your provider has partnered with.

For UK, Switzerland, Norway, Turkey, and Balkans, standard EU roaming rules don't apply. Options: use a travel eSIM plan explicitly covering these countries; purchase a local SIM upon arrival; use your home carrier's international roaming add-on.

European train connectivity varies. High-speed rail corridors generally have good mobile coverage. Regional and rural lines may have gaps. Download offline maps and content before long journeys. Tunnels create temporary connectivity blackouts.