Plan Your Trip with a Travel eSIM: 7-Step Guide

1. 1

   Check your phone is eSIM compatible

   Your phone needs eSIM hardware before anything else. Most iPhones from the XR (2018) onward and Android flagships released after 2020 support eSIM. To confirm, open Settings and look for an option to add an eSIM under Cellular or SIM Manager. Budget Android phones and phones older than 2019 often lack eSIM support. Check the full model list before you buy a plan.

   eSIM compatible phones guide
2. 2

   Verify your phone is carrier-unlocked

   An eSIM-compatible phone still cannot use a travel eSIM if it is carrier-locked. A carrier-locked phone only works with SIMs from the carrier you bought it from. Contact your home carrier to request an unlock — most carriers do this for free after your contract ends. Unlocking can take 1 to 10 business days, so start early. Phones purchased directly from manufacturers (Apple Store, Samsung online) are usually unlocked already.

   phone unlock guide
3. 3

   Estimate your data needs

   Buying too little data cuts your trip short. Buying too much wastes money. A useful baseline: maps and messaging use about 50 MB per day, social media browsing uses 150 MB, and one hour of video streaming uses 500 MB to 1 GB. Most travelers manage well on 1 GB per day. Add a 20 percent buffer to your estimate and round up to the next available plan size. If you work remotely or plan to video call often, double the estimate.

   data calculator
4. 4

   Choose your destination plan

   Search for your destination country to see available plans, prices per GB, and plan durations. Regional plans cover multiple countries on a single plan — useful if your trip crosses borders. Single-country plans are usually cheaper per GB when you stay in one country. Check that the plan duration covers your full trip, including any layovers or buffer days on either end.

   destination plans
5. 5

   Compare providers

   Four providers cover most destinations reliably: Airalo offers the widest country selection and transparent per-GB pricing. Holafly offers unlimited data plans with no speed throttling on most destinations. Saily combines competitive pricing with a clean app experience. Nomad offers strong regional plans for multi-country trips. Check coverage maps, app ratings, and refund policies before buying. Support quality varies significantly between providers.

   provider comparison
6. 6

   Purchase and install your eSIM

   Buy the plan at least 24 hours before departure. You receive a QR code by email within 60 seconds of purchase. Install it over home WiFi using your phone's eSIM settings. On iPhone: Settings > Cellular > Add eSIM > Use QR Code. On Android: Settings > Network & Internet > SIMs > Add eSIM. The download takes about 30 seconds. Keep data roaming turned off on the travel line until you land — the plan clock starts when you connect to a local network.

   eSIM activation guide
7. 7

   Set up dual SIM before you leave

   Running two SIMs at once keeps your home number active for calls and texts while the travel eSIM handles data. Set your home SIM as the default for calls and texts. Set the travel eSIM as the default for cellular data. Label both lines clearly in your phone settings so you can tell them apart. Test the configuration at home by enabling data roaming on the travel line and loading a webpage. Disable data roaming again before departure.

   dual SIM setup guide

See the full comparison on our provider comparison page.