What is an eSIM?
An eSIM is a digital SIM stored inside your phone—no plastic card required. You can install multiple profiles and switch plans for each country you visit.
Device Compatibility (Quick Check)
- iPhone XS or newer (including SE 2/3) ✅
- Most recent Google Pixel & Samsung Galaxy models ✅
- Carrier must support eSIM on your device model
Pro tip: If you bought your phone through a carrier, make sure it’s unlocked before international trips.
Local vs Regional Plans
- Local: Cheapest for a single country, best speeds.
- Regional: Great for multi-country itineraries (e.g., Europe 30+ nations).
- Global: Maximum coverage, higher price per GB.
Costs in 2025 (Typical)
- Local: 1–3 GB from ~$4–$10
- Regional (EU/Asia): 5–10 GB from ~$12–$25
- Global: 3–10 GB from ~$20–$40
How to Install an eSIM (3 Minutes)
- Buy a plan in advance from a trusted marketplace.
- Scan the QR or paste the activation code.
- Label the plan (e.g., “Japan eSIM”), set it for Cellular Data Only, and leave your home SIM active for iMessage/OTP.
- On landing, toggle Data Roaming for the eSIM and run a speed test.
Recommended: Airalo (190+ Countries)
Airalo makes it simple to choose the right plan by country and duration, and activation is quick with clear in-app steps.
Troubleshooting
- No data? Double-check APN in the eSIM’s cellular settings.
- Stuck on 3G? Toggle airplane mode or manually pick a partner network.
- Battery drain? Disable 5G if local towers are limited; lock to LTE.
Keep planning: Top AI Travel Tools for 2025 · How to Plan Smarter with AI