eSIM in Mongolia: which plan to choose in 2026?

The best eSIM for Mongolia, compared for you: price, data, coverage and activation.

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See the plans Updated in août 2026 • 18 plans available

Compare eSIM plans for Mongolia: data, duration, prices and operators. Find the best offer and activate it now.

What are the best eSIM plans in Mongolia?

Each provider's best plan for this country, with the real price.

Provider	Data	Duration	Price	Price/GB
Saily ★ 4.7 · Review	20 GB	30 days	$37.10	$1.86	View →
Ubigi ★ 4.4 · Review	20 GB	30 days	$45.13	$2.26	View →
YesSim ★ 4.3 · Review	10 GB	30 days	$28.08	$2.81	View →
DrimSim ★ 4.1 · Review	5 GB	30 days	$15.70	$3.14	View →

Cheap eSIMs in Mongolia

A comparison of the cheapest plans, all providers combined.

Provider	Data	Duration	Price	Price/GB
Saily	1 GB	7 days	$4.01	$4.01
DrimSim	1 GB	7 days	$4.98	$4.98
Ubigi	500 MB	30 days	$5.01	$10.03
YesSim	1 GB	7 days	$6.02	$6.02
Ubigi	1 GB	30 days	$7.02	$7.02
Saily	3 GB	15 days	$9.03	$3.01

Guide expert

Finding the best Mongolia eSIM plan is not just about choosing the largest data allowance: it all depends on your itinerary, your phone and your tolerance for dead zones. This guide helps you buy, install and use a suitable eSIM, from Ulaanbaatar to the tracks of the Gobi Desert, with the right habits before and during your trip.

How does an eSIM work in Mongolia, and is your phone compatible?

An eSIM is a digital SIM card built into your phone: you purchase a data plan, receive a profile to install and your mobile connects to a Mongolian network without having to handle a physical card. In practice, the provider most often sends you a QR code, sometimes a manual activation code or a direct link. Once the profile has been added in the settings, simply select this line for mobile data when you arrive in Mongolia.

The main difference from a physical SIM is convenience. With a travel eSIM, you can buy and install it before departure, from home and using your usual Wi-Fi; there is no need to look for a shop at Ulaanbaatar airport, show your passport or keep track of a tiny SIM card. It does not change the antennas available locally: it simply gives you access, through a roaming agreement, to one or more partner local mobile networks.

Most travel eSIMs for Mongolia are data-only plans, designed for Internet access rather than providing a Mongolian phone number. This is rarely a problem: Google Maps, bookings, emails, Telegram, Messenger and WhatsApp work with data. Thanks to Dual SIM mode, you can generally keep your French SIM active for important calls or texts while reserving the Internet connection for your Mongolian eSIM. However, watch out for roaming charges on your usual line: disable its mobile data before landing.

iPhone: iPhone XS, XR and later models support eSIM in most regions; recent iPhones can manage several profiles, with two active lines depending on the model.
Samsung Galaxy: many Galaxy S, Z Fold and Z Flip models, as well as some recent Galaxy A devices, are compatible. Check the exact model, as the same reference may vary depending on the sales market.
Google Pixel: Pixel 3 and later models generally offer eSIM, but some devices sold by operators or in certain geographical areas may have restrictions.
Other brands: some recent Xiaomi, Motorola, Oppo, Huawei and Sony models include eSIM; never rely solely on the brand or release year.
Unlocked phone: your device must not be locked to an operator. A phone locked to a French network may reject an international eSIM, even if it is technically compatible.
Quick check: look for “Add eSIM” or “Add Mobile Plan” in Settings; the #06# code may also display an EID, an identifier generally associated with eSIM functionality.

Which eSIM should you choose for the best 4G or 5G coverage in Mongolia?

The best Mongolia eSIM plan is the one that uses a strong local network along your itinerary, not necessarily the one advertising the most data. The country’s main mobile operators are Unitel, Mobicom, Skytel and G-Mobile. Unitel and Mobicom are usually the safest choices for a trip combining the capital, provincial cities and overland travel, but the network actually assigned depends on the eSIM provider and may change according to its commercial agreement.

In Ulaanbaatar, you will normally find reliable 4G in central districts, hotels, restaurants and shopping areas. 5G is available in some urban areas and continues to expand, but it should not be your main criterion: an eSIM may support 5G without your phone connecting to that network everywhere. For everyday use, good 4G is more than sufficient for navigation, occasional video calls, payments and photo sharing.

The Mongolian reality begins as soon as you leave the major urban areas. On the routes linking Ulaanbaatar with Darkhan, Erdenet or Dalanzadgad, the signal is often available in stretches, with gaps between towns. In the steppes, narrow valleys, the Altai or isolated parts of the Gobi, you must expect long stretches without data, sometimes without any network at all. No international eSIM can turn an uncovered region into a connected area: “national coverage” claims describe theoretical availability, not continuous service on every track.

Speeds vary considerably depending on the location, time and antenna congestion. In the capital, a 4G connection can be very comfortable; in an aimag centre, it may be adequate but inconsistent; while roaming in rural areas, it may sometimes be enough only to send a text message. For a vehicle tour with a driver or guide, always download your maps, translations and tickets offline before leaving urban areas.

Ulaanbaatar and major urban centresGenerally smooth 4G; 5G possible in some areas and on compatible devices.

Aimag cities, Darkhan, Erdenet and main roadsConnection is often adequate near populated centres but varies between towns.

Accessible tourist sites and Gobi roadsIntermittent signal: expect connected stretches and prolonged outages.

Remote steppes, Altai, mountainous areas and distant tracksWeak or absent network depending on the terrain; prepare for a self-sufficient trip without continuous Internet.

Before buying, check the advertised partner network for the eSIM, and favour an offer that clearly specifies Unitel or Mobicom whenever possible.
Ask your agency, driver or ger camp which operator works best at the planned stops: their local experience is more valuable than a general coverage map.
Set the network to automatic 4G/5G; forcing 5G can sometimes reduce stability or drain the battery faster.
Keep an offline map from Google Maps or Maps.me for Ulaanbaatar, the Gobi, Gorkhi-Terelj National Park and your nights at camp.
For a trek, bring a power bank and a suitable emergency communication method: an eSIM is not a satellite device.

Should you choose a local Mongolia eSIM or a regional Asia plan?

For a trip exclusively in Mongolia, a national Mongolia eSIM is often the most logical choice: it focuses its data allowance and price on a single country. It is perfectly suited to a return trip via Ulaanbaatar, a journey through the Gobi or a guided tour that remains entirely within Mongolia. Nevertheless, check the partner network, allowance and validity period rather than assuming that a local offer is automatically better.

A regional Asia eSIM becomes more appealing if your itinerary includes several borders or extended stopovers. It avoids reinstalling a profile at every arrival and lets you keep the same settings between Mongolia, China, Kazakhstan, South Korea or Japan, depending on the countries actually included. This is useful for a train itinerary, a Beijing–Ulaanbaatar trip or a business journey with several connections.

The drawback is straightforward: Mongolia is not systematically included in every plan called “Asia”, and the country list varies widely from one provider to another. An “Asia-Pacific” offer may include Singapore and Australia while excluding Mongolia or assigning it a different network. Check the detailed country list, any network restrictions and the top-up policy before paying. For a single stopover of a few hours, airport Wi-Fi may be more suitable than a more expensive multi-country plan.

Choose a national plan for a trip entirely within Mongolia and an optimised data budget.
Choose a regional plan if you genuinely travel through two or more covered countries, not simply because it includes the word “Asia”.
For travel through China, also check the access rules for your usual services and the possible usefulness of a VPN configured before departure.
Do not confuse a stopover with a destination: confirm that data can be used in the transit country and that your phone will actually leave the aircraft.

What do travellers say about the eSIMs used in Mongolia?

Travellers’ feedback is generally positive regarding ease of purchase and convenience on arrival. Installing the profile before leaving France avoids an initial search for Wi-Fi, a queue or a complicated conversation in a shop. Many also appreciate being able to keep their main SIM in place, monitor their usage through an app and pay only for a predefined amount of data.

The most common frustration is not the eSIM itself but the country’s geography. Some travellers expect to be connected “throughout Mongolia” because the plan advertises national coverage; they discover that areas without antennas remain very common outside cities and busy roads. It is therefore unfair to systematically blame a provider for an outage: in remote steppes, a local SIM may encounter exactly the same limitation.

More critical reviews often concern activation, the APN or a partner network that is not clearly displayed. Scanning a QR code after arrival without Wi-Fi, leaving a line inactive, failing to enable data roaming or selecting the wrong data line can all make it seem as though the plan does not work. Accessible customer service and clear instructions in French or English then make a real difference. Always keep your purchase confirmation and installation code until the end of your stay.

Recurring advantages: installation before departure, no physical card and simple usage management.
Key point to watch: network quality depends first and foremost on the location, particularly outside cities.
Activation: difficulties often result from a phone setting, not necessarily from a defective profile.
Support and terms: read the top-up, refund and connection-sharing rules before buying.

How do you buy, install and activate your eSIM for Mongolia?

Installation generally takes just a few minutes if you prepare it over Wi-Fi before departure. The right approach is to install the profile at home but avoid letting it use data before arrival if validity starts upon the first connection.

1
Check compatibility
Confirm that your phone has an eSIM function and is unlocked. Also check that it has enough battery, that the system is up to date and that an eSIM slot is available: some phones limit the number of stored profiles, even when they activate only two simultaneously.
2
Buy and receive the QR code before departure
Purchase your plan using a stable connection, then save the QR code, SM-DP+ address and any activation code in your emails and in an offline file. Immediately read the validity rule: some plans start upon installation, while others start when you first connect to the Mongolian network. Never share your QR code, which can generally be used only once.
3
Install the profile on iPhone or Android
On iPhone, go to Settings > Cellular (or Mobile Data) > Add eSIM, then choose “Use QR Code”. On Android, the path varies slightly: generally open Settings > Connections or Network & Internet > SIM Manager > Add eSIM, then scan the code. Give the line a clear name, such as “Mongolia data”, to avoid mistakes when you leave.
4
Activate on arrival and configure the APN
After landing, activate the eSIM line and set it as the default mobile data line. Also enable data roaming on this eSIM: it is normally essential because the international provider uses a roaming agreement, even though you are in Mongolia. The APN is usually configured automatically; if it is provided in your purchase email, enter it exactly in the mobile network settings.
5
Troubleshoot if the Internet does not start
Wait a few minutes, then enable airplane mode for about thirty seconds or restart the phone. Check that your eSIM is switched on, selected for data, and that roaming is enabled; also make sure your French SIM has not remained the data line. If the problem persists, select the network automatically, check the APN and contact support without deleting the profile: deleting it may prevent reinstallation.

Can you keep your number, make calls, use WhatsApp and share your connection?

Yes, you can generally keep your French number while using a travel eSIM for Internet access. In the Dual SIM settings, leave your usual line active to receive texts, including banking codes, and assign mobile data to the Mongolia eSIM. Disable data roaming on the French SIM and, if necessary, cellular data calls on that line to avoid accidental charges.

Most travel plans are data-only: they provide neither a Mongolian number nor traditional calls or outgoing texts. WhatsApp nevertheless keeps your account and original number; you do not need to create it again. You can make audio or video calls through WhatsApp, Signal, Telegram, FaceTime Audio or Skype, provided you have sufficient coverage and speed. To contact a hotel or local driver, preferably ask for their WhatsApp or Telegram contact before departure.

Hotspot can turn your phone into a modem for a computer, tablet or travel companion’s phone. It is often allowed, but not always: plans advertised as unlimited sometimes apply a fair-use policy, speed reduction or hotspot restriction. Check this before buying, especially if you need to work remotely, download large files or take part in video conferences from Ulaanbaatar.

If your allowance runs out, the connection may stop, slow down considerably or switch to a top-up option depending on the provider’s terms. Do not wait until the last megabyte: monitor usage in the provider’s app and in your phone settings. A top-up is often possible, but it requires network access or Wi-Fi, and some plans allow only a new purchase. Therefore, keep a few important maps and bookings available offline.

Set the eSIM as the data line and your usual SIM as the calls/texts line, then check this choice before take-off.
Receiving a text may still be possible on your French line, but incoming or outgoing calls may be charged outside your plan: check your operator’s rates.
WhatsApp works with your existing number as long as you do not deliberately change your number in the app.
Test the hotspot at the hotel before relying on it for a working or travelling day.
Disable automatic photo backups, app updates and high-definition videos to preserve your data.

What guidelines will help you choose the best Mongolia eSIM plan and avoid mistakes?

For light use, allow around 1 to 3 GB per week; for maps, messaging, social media and a few photos, plan for 5 to 10 GB depending on the duration. Heavy use involving hotspot, videos and remote work requires a larger allowance, but it will never compensate for a lack of network in isolated regions.

Size the plan according to your actual usage: GPS navigation and messages use little data, while short videos, video calls and cloud backups consume several gigabytes very quickly. Download maps, music, offline languages and travel content in advance.
Look at validity, not just volume: a generous plan valid for seven days is useless for a two-week tour. Conversely, a thirty-day plan may provide greater peace of mind for a long stay even if it is not fully used.
Identify the local partner network: an offer naming Unitel or Mobicom gives you more visibility than a vague listing. No operator is perfect everywhere; match the coverage to your itinerary.
Beware of the word “unlimited”: it may involve reduced speed, a daily limit, a fair-use policy or restricted hotspot access. Read the terms before relying on it for remote work.
Install before travelling and activate at the right time: installation over Wi-Fi is stress-free, but the first network connection may trigger the validity period. Do not let your eSIM activate unnecessarily during a stopover.
Keep an offline backup solution: screenshots of addresses, PDF tickets, guide numbers, downloaded maps and Mongolian/Russian translations can save the day when there is no signal.
Protect your personal data: favour official websites and apps, lock your phone, enable two-factor authentication and avoid banking operations on unsecured public Wi-Fi. A VPN can improve privacy but may also reduce speed.
Do not delete the profile too quickly: a used-up or expired eSIM may need to remain installed so support can find your account. Delete it only once the trip is over and you are sure you will not top it up again.
Plan for power as well as data: in camps, on long roads and during excursions, a reliable power bank is often more important than a larger plan.

Questions fréquentes

Will the eSIM work as soon as I arrive at Ulaanbaatar airport?

Yes, if it is already installed and you activate the line with data roaming. The signal may take a few minutes to appear after leaving airplane mode; keep airport Wi-Fi as a backup.

When does my eSIM plan’s validity begin?

It depends on the provider: it starts either upon installation or when you first connect to a covered network. Check this rule before buying, as it determines whether you only need to install the line or also activate it before departure.

Can I use the same Mongolia eSIM on two phones?

No, an eSIM profile is normally linked to a single device, and its QR code generally cannot be reused. For two phones, buy two separate plans or share the connection if your plan allows hotspot use.

Can I access emergency numbers with a travel eSIM?

Emergency calls may depend on the phone, available network and type of profile; do not rely solely on a data-only eSIM. In Mongolia, 102 reaches the police, 103 medical emergency services and 101 the fire service; in isolated areas, also notify your guide or camp.

Can I get a refund if my eSIM does not work?

Policies vary: an eSIM that has already been installed, activated or used is often non-refundable. Before purchasing, read the terms, keep screenshots of any error messages and contact support before deleting the profile or buying another one.