A travel eSIM connects you to the internet the moment you land — no roaming charges, no physical SIM swap, no airport queues. Here is everything you need to know before your next trip.
What is eSIM
eSIM (embedded SIM) is a digital SIM card built into your smartphone. Instead of inserting a physical plastic card, you scan a QR code, the carrier profile loads in seconds and you are connected.
- Instant activation — Connected in 2–5 minutes after purchase
- Ready on landing — Internet works the moment you arrive
- No physical SIM — No swapping cards, no airport kiosks
- Dual SIM — Keep your main number active alongside eSIM
- Regional plans — One eSIM for multiple countries
- No roaming fees — Usually 3–5× cheaper than operator roaming
eSIM vs roaming
| Parameter | eSIM | Roaming |
|---|---|---|
| Price | 3–5× cheaper | $10–15/day typical |
| Setup | QR code, 2–5 min | Automatic (high cost) |
| Your number | Stays active (Dual SIM) | Stays active |
| Availability | Buy from home | Enabled by carrier |
| Multi-country | Regional plan | Each country billed separately |
A 7–10 day trip on roaming can easily cost $100–200 extra. A travel eSIM for the same trip typically costs $10–25.
Compatible devices
eSIM requires a phone that is eSIM-capable and carrier-unlocked.
- Apple: iPhone XS and newer (all models from 2018)
- Samsung: Galaxy S20, S21, S22, S23, S24 and newer
- Google: Pixel 3 and newer
- Other: many Xiaomi, Motorola, Huawei and Honor models — check device specs
If your phone was purchased from a carrier (e.g. AT&T, Vodafone) it may be locked to that carrier. Unlock it first or contact your carrier.
Popular destinations
- 🇹🇷 Turkey — Telegram, Maps, Uber — without a Turkish SIM or passport
- 🇦🇪 UAE — Stable 4G/5G across Dubai and Abu Dhabi
- 🇹🇭 Thailand — Phuket, Bangkok, Pattaya — popular with digital nomads
- 🇺🇸 USA — AT&T, T-Mobile, Verizon — no US SIM needed
- 🇯🇵 Japan — Fast LTE nationwide, zero language barrier
- 🇪🇺 Europe — One eSIM covers 30+ countries: Italy, France, Germany and more
- 🇮🇩 Indonesia — Bali and Lombok — perfect for island holidays
- 🇰🇷 South Korea — One of the best 5G networks in the world
How to activate eSIM
Activation takes 2–5 minutes. No store visit required.
- Buy an eSIM on Marix eSIM page
- Receive a QR code by email (instantly after payment)
- Open Settings → Mobile / Cellular → Add eSIM
- Scan the QR code with your camera
- Set the eSIM as your data line — done
The connection activates automatically when you arrive in the destination country. You can install the profile before your flight.
Who needs a travel eSIM
- Tourists — No roaming bills — just affordable local data
- Business travellers — Zoom, email, CRM and VPN on the go
- Digital nomads — Move between countries without buying new SIMs
- Families — Share the hotspot with everyone on the trip
FAQ
Does eSIM work on iPhone?
Yes, eSIM is supported from iPhone XS (2018) onwards. All iPhone 14 and 15 models sold in the US ship eSIM-only with no physical SIM slot.
Can I keep my existing SIM while using a travel eSIM?
Yes. Most smartphones support Dual SIM: the eSIM handles data abroad while your main SIM stays active for SMS, bank calls and messaging apps.
Should I install the eSIM before travelling?
It is best to purchase and install the eSIM profile before you leave. The connection to the local network happens automatically when you arrive in the destination country.
Does a travel eSIM include calls or just data?
Most travel eSIMs are data-only packages. Telegram, WhatsApp, Zoom and other internet calls work perfectly over the data connection.
Can I use the eSIM as a hotspot?
Yes, most eSIMs support hotspot/tethering mode, so you can share the connection with a laptop, tablet or another phone.
eSIM vs buying a local SIM at the airport — which is better?
eSIM wins on convenience: no queuing, no language barrier, no swapping physical cards. Internet is ready the moment you turn your phone on after landing.