Not just data. A full mobile line.
Real mobile data
High-speed data on local networks in your destination — no roaming bill shock, no hunting for SIM shops at the airport.
A permanent phone number
Your plan includes a genuine number with voice and SMS on compatible devices — yours to keep while your plan is active, for verification codes, callbacks and two-factor logins.
Dual SIM, zero hassle
Keep your home number active alongside your esimgomobile line. Switch data between them in your phone's settings.
Top up anytime
Running low? Add data from your dashboard or automatically — your line never dies mid-trip.
From purchase to connected in minutes.
On iPhone: Settings → Cellular → Add eSIM → scan. On Android: Settings → Network → SIMs → Add eSIM → scan. Your dashboard can re-issue the QR anytime.
Will it work on your phone?
Most phones from the last five years support eSIM. Search your model below — this covers the most common eSIM-capable devices.
Carrier-locked phones may need unlocking first. If your exact model isn't listed, check your manufacturer's specs for eSIM support — or use a virtual number, which works on any device.
Your eSIM onboarding checklist.
Three steps between you and mobile data. Your progress is saved on this device.
Want to manage lines, top-ups and usage? Open your dashboard.
Plans are live.
Real plans priced from live wholesale rates — seven monthly subscriptions from $8/mo and eight one-time travel packs from $3.65. No invented numbers, ever.
What is an eSIM?
Do esimgomobile eSIMs include a phone number?
Can I keep my existing number?
How do top-ups work?
What if my phone doesn't support eSIM?
esimgomobile in Mongolia
Using eSIM in Mongolia? You are on the local edition — key facts for Mongolia (capital Ulaanbaatar, dial code +976) are below. esimgomobile plans for Mongolia are live now — monthly plans from $8/mo and one-time travel packs from $3.65, with live checkout.
| Capital | Ulaanbaatar |
|---|---|
| Dial code | +976 |
| Currency | Mongolian tögrög (MNT) |
| Time zone | UTC+8 |
| Main languages | Mongolian |
Plans are live — see plans and pricing.
The experience
esimgomobile in action.
A visual walkthrough built for this page — mockups of the exact experience plus photography from the field.
- 1Live usage ring: see remaining data at a glance, no mental math.
- 2Top-up button sits right where you need it when data runs low.
- 1Live usage ring: see remaining data at a glance, no mental math.
- 2Top-up button sits right where you need it when data runs low.
- 1Usage ring compresses the whole plan into one glanceable number.
- 2Percent remaining is the only metric most travelers check.
- 1Illustrative speed readout: sample carrier, city and latency figures.
- 2The meter demonstrates the readout — figures are examples, not live measurements.
- 1The Tele Agent answers in plain language — no telecom jargon.
- 2Every answer is specific to your trip, not a generic FAQ.
- 1The roaming math, made visible: one price versus per-day carrier fees.
- 2This is the comparison most travelers never see until the bill.
- 1The plan card shows exactly what you're buying — data, days, destination.
- 2One tap starts the two-minute QR install.
- 1Coverage status at a glance: data live, number available, 5G ready.
- 2Green means go — no guessing about what's supported.
- 1Live usage ring: see remaining data at a glance, no mental math.
- 2Top-up button sits right where you need it when data runs low.
curl https://api.esimgomobile.com/v1/esims \
-H "Authorization: Bearer $KEY" \
-d '{"country":"MO"}'- 1Checkout shows the full price before you pay. Nothing hidden.
- 2Amazon Pay handles payment securely; taxes are calculated for you.
- 1Illustrative speed readout: sample carrier, city and latency figures.
- 2The meter demonstrates the readout — figures are examples, not live measurements.
- Instant QR install
- 5G where available
- Keep WhatsApp number
- 1The roaming math, made visible: one price versus per-day carrier fees.
- 2This is the comparison most travelers never see until the bill.
- 1Coverage status at a glance: data live, number available, 5G ready.
- 2Green means go — no guessing about what's supported.
- 1The dashboard keeps every eSIM, every trip, in one place.
- 2Rows show data left, days left and current city at a glance.
- 1Three plans side by side so the trade-off is obvious.
- 2Pick by trip length, not by decoding fine print.
- 1Usage ring compresses the whole plan into one glanceable number.
- 2Percent remaining is the only metric most travelers check.
- 1Usage ring compresses the whole plan into one glanceable number.
- 2Percent remaining is the only metric most travelers check.
- 1Coverage status at a glance: data live, number available, 5G ready.
- 2Green means go — no guessing about what's supported.
- 1Coverage pins show where partner networks are live.
- 2The map answers the only question that matters: will it work there?
- 1Mockups illustrate the product flow — captions describe what's real.
- 2Figures labeled as examples show sample data, never live telemetry.
Explainer
esimgomobile eSIM: the full picture
The short version: prepaid travel eSIMs across 195 destinations, installed by QR code in two minutes, managed from a dashboard, with an AI agent on call when you need a human-style answer fast.
The long version is the rest of this page — plans, mechanics, edge cases and honest trade-offs, written the way we'd explain it to a friend.
Everything on this page exists to answer one question well: how does esimgomobile fit into your trip? The sections below go deep so you never need a second tab.
Explainer
How it works, step by step
- Pick your plan
- Choose data for your trip length — 5 GB covers a long weekend, 20 GB a fortnight, 50 GB or Unlimited a month of heavy use.
- Checkout takes about two minutes through the secure Amazon Pay checkout.
- Scan the QR code
- Your eSIM arrives instantly. Open your phone camera, scan, and the plan installs itself.
- No store visit, no plastic SIM, no waiting for the post.
- Land connected
- Turn on data roaming for the eSIM line when you land — you're online before baggage claim.
- The eSIM finds the local partner network automatically.
Explainer
Good to know
- Check that your phone is carrier-unlocked before you buy any eSIM — locked phones can't add one.
- Download offline maps for your destination — they save data and work in dead zones.
- Charge your phone before long travel days; weak signal areas drain batteries faster.
- Keep your home SIM active for two-factor codes from your bank; run data on the eSIM line.
- Buy and install your eSIM before departure — airport Wi-Fi is the worst place to set up connectivity.
- Save your eSIM QR code somewhere safe (email it to yourself) in case you switch phones mid-trip.
These are the details that separate a smooth trip from a stressful one — small, unglamorous, and worth more than any feature list.
Explainer
Why travelers switch
And because everything is prepaid through Amazon Pay, the commercial relationship is simple: you pay for data, you get data, it ends when it ends.
Roaming bills taught a generation to fear their phones abroad. The eSIM generation simply never learned that fear — data is prepaid, visible and finite.
The Tele Agent closes the remaining gap: a question at midnight in a foreign terminal gets an answer in seconds, not a support ticket.
Visual guides
The numbers behind Mongolia.
esimgomobile eSIM — data dashboard
The product's headline numbers, switchable by dataset.
Hover any bar or point for its exact value. Tabs switch datasets — everything on this panel is computed from live product data unless labeled illustrative.
Start your Mongolia trip online
Prepaid, no contracts, no roaming surprises. The whole setup takes about two minutes.