An eSIM is a SIM card —
without the plastic.
An eSIM is a SIM card built into supported phones. Instead of a plastic card, your phone downloads a carrier profile. You can add a travel data plan and select it in your phone's settings.
- Built into your phone — no physical card and no SIM-tray slot.
- Standardized by the GSMA. iPhone has supported eSIM since the XS (2018), and many Android flagships followed.
- Many compatible phones store several eSIM profiles. The number stored and active depends on the model.
- You install it with a QR code, an activation link or manual details. The method depends on the phone and provider.
- A data eSIM keeps your everyday number active for calls and texts.
Same idea. Different decade.
Traditional SIM
- Physical card sold in a shop
- One slot, one plan at a time
- Lost or damaged means a replacement
- Cross-border? Buy a new SIM
eSIM
- Software profile — already in your phone
- Can store multiple profiles on supported devices
- Manage installed profiles in Settings
- New country? Add an eligible travel plan
How is it different from just roaming?
Will it work on your phone?
Check the exact model, sales region and carrier lock. Device names alone are not enough because eSIM support can vary by market.
Check my deviceThe bits that throw people.
Is an eSIM safer than a regular SIM?
Equally safe in transit. eSIM profiles are encrypted, and because there's no physical card, they can't be stolen, swapped, or popped out by a thief.
Can I use multiple eSIMs at once?
Many compatible phones can store several profiles, but the number that can be active at once varies by model. Check the manufacturer's specification.
Does it use the same network as locals?
A travel eSIM uses one of the supported networks listed with its plan. Speed and coverage depend on the package, network, device, congestion and location.
How do I set up an eSIM?
Buy a plan, then open the QR code, activation link or manual details supplied with it. On iPhone use Settings → Cellular → Add eSIM; on Android use Settings → Network → SIMs → Add eSIM. Follow the on-screen prompts.
Do I keep my phone number?
Yes. A travel eSIM adds a second line for data, so your everyday SIM and number stay active for calls and texts. Set the eSIM as your data line while you travel.
Does an eSIM work in every country?
Coverage depends on the selected plan. Check every destination on your route, the supported networks and any local availability notes in the current plan details before purchase.
What happens if I run out of data?
Mobile data from that plan stops when its allowance is used. Check your account for an eligible top-up or another plan, then follow the supplied setup instructions.
Device support varies by model and market. Check the manufacturer's official eSIM page for your exact model before you buy a plan.