eSIM for Romania: Best Plans, Coverage, and Setup Tips

A Hello eSIM is a convenient way to get Romania travel internet before landing, with instant activation and mobile data available as soon as you arrive. Hello’s Romania eSIM plans start from 5GB, making them suitable for city breaks, road trips, and longer journeys across the country.

For most travellers, 5GB covers maps, messaging, ride-hailing, translation, and occasional social media for roughly one week. Download your eSIM before departure, keep your primary SIM active for calls if needed, and use Hello’s live plan pricing to choose the amount of Romania mobile data that matches your itinerary. Romania recorded approximately 13.9 million tourist arrivals in accommodation establishments during 2025, according to data from the National Institute of Statistics, so dependable connectivity is useful in busy destinations such as Bucharest, Brașov, Sibiu, and Cluj-Napoca.

The best Romania eSIM plan depends mainly on trip length and how often you use video, navigation, and hotspot features; light users can manage with 5GB, while travellers working remotely or sharing data should select a larger allowance for comfortable daily use.

Hello’s plan prices are updated live, so check the current amount when you book rather than relying on an outdated price quoted elsewhere. As a practical guide for 2026:

Traveller profile	Suggested data	Typical use
Weekend city break	5GB	Maps, messages, bookings, translation
One-week holiday	5–10GB	Navigation, social media, photos, transport apps
Two-week road trip	10–20GB	Frequent maps, streaming music, uploads
Remote worker	20GB or more	Video calls, cloud tools, hotspot use

A 5GB Hello eSIM plan is generally enough for a seven-day visit if you download offline maps and limit high-resolution video over mobile data. Streaming music, photo backups, and short videos consume data more quickly, so switch automatic app updates and cloud syncing to Wi-Fi. You can review Hello eSIM for Romania before travelling and activate your plan in advance.

Romania offers strong 4G availability in cities and along major routes, while coverage can become less consistent in remote mountain valleys; 5G is expanding but should be treated as a bonus rather than a requirement for travel.

Romania had 21.8 million active mobile connections in mid-2025, with 18.7 million using 4G and/or 5G, according to Romania’s communications regulator ANCOM. ANCOM also reported that 4G networks carried about 92% of mobile internet traffic, confirming that a reliable 4G connection is more important than maximum 5G speeds for most visitors.

Expect particularly practical coverage around:

• Bucharest, including the Old Town, airport routes, and major railway stations
• Brașov, Sibiu, Cluj-Napoca, Timișoara, and Iași
• Main roads connecting cities and popular attractions such as Bran Castle and the Transfăgărășan
• Tourist areas around the Black Sea coast and the Danube Delta, although boats and isolated wetlands may have intermittent service

In the Carpathians, download route information before hiking. Signal may weaken inside valleys, forests, or away from villages. ANCOM’s AISemnal coverage map is useful for checking specific roads and localities before a remote excursion. A Hello eSIM connects through available Romanian mobile networks, but actual performance still depends on terrain, congestion, and your phone’s compatibility.

The safest setup is to install your Hello eSIM while you still have Wi-Fi, then activate mobile data on arrival in Romania; this avoids relying on airport Wi-Fi or finding a shop after a late flight.

Before departure

1. Confirm that your phone is unlocked and supports eSIM technology. Recent iPhones, Google Pixel models, and many Samsung Galaxy devices are compatible, but model availability varies by region.
2. Buy a Hello Romania eSIM plan in the Hello app or at travelwithhello.com.
3. Install the eSIM using the instructions provided in the app. Installation requires an internet connection, so use home Wi-Fi or airport Wi-Fi before boarding.
4. Label the new line “Romania” to avoid selecting the wrong SIM later.

When you arrive

1. Open your phone’s cellular or SIM settings and select the Hello line for mobile data.
2. Turn on data roaming for the Hello eSIM if the installation instructions require it.
3. Disable mobile data switching so the phone does not unexpectedly use your home SIM.
4. Keep your primary line enabled only if you need incoming calls or text messages, and confirm your home provider’s roaming charges.

Send a test message, open a map, and check that a webpage loads before leaving Bucharest Airport. If service does not appear immediately, toggle airplane mode or restart the phone.

Most visitors use between 500MB and 1.5GB per day in Romania, depending on navigation and media habits; planning around 1GB daily gives a comfortable margin for maps, messaging, bookings, and occasional social media.

Typical mobile-data use varies considerably:

• Google Maps or similar navigation: moderate use, especially when searching repeatedly
• Messaging and email: low use unless sending many videos or large files
• Ride-hailing and transport apps: low use, but essential when arriving late or changing stations
• Social media: moderate to high use, particularly with autoplay video
• Video calls and streaming: high use and best reserved for Wi-Fi

For a seven-day trip through Bucharest and Transylvania, a 5GB Hello eSIM can work well for a careful user; choose 10GB if you expect frequent uploads, live navigation, or daily video. For a two-week driving itinerary, 10GB to 20GB is more realistic.

Download Bucharest public-transport information, attraction tickets, hotel addresses, and offline maps before leaving Wi-Fi. Romania uses the leu (RON), and card payments are common in cities, but cash remains useful at rural guesthouses, markets, and small mountain cafés. The Hello app can also track travel spending in multiple currencies, automatically convert exchange rates, scan receipts in different languages, and split shared expenses with friends.

A Hello eSIM works well for most Romania holidays because it provides data without requiring a physical SIM swap, but travellers should confirm device compatibility, understand roaming settings, and download essential information before visiting rural areas.

Does Romania support eSIM?

Yes. Hello provides eSIM data plans for Romania, and compatible unlocked phones can install the plan digitally before travel. Your phone does not need a physical Romanian SIM card.

Can I buy a Romania eSIM before arrival?

Yes. You can purchase and install an eSIM from Hello before departure, then enable it when you land. This is useful at Bucharest Henri Coandă Airport, where you may want directions, transport information, or a rideshare immediately.

Will Hello eSIM work in Transylvania?

It should connect wherever the partner Romanian network has service. Cities such as Brașov, Sibiu, and Cluj-Napoca generally have strong mobile connectivity, while remote Carpathian trails can have weaker or absent signals.

Can I keep my normal number?

Usually, yes. Set Hello as the mobile-data line and retain your primary SIM for calls or texts, but disable data roaming on the primary line to prevent unexpected charges.

Is 5GB enough for Romania?

For a week of maps, messaging, bookings, and light social media, 5GB is often sufficient. Choose a larger Hello plan for hotspot use, streaming, frequent video calls, or extended travel.

The simplest approach is to install Hello eSIM before departure, use 4G as your dependable baseline, and prepare offline resources for mountain routes, rural villages, and transport disruptions.

Romania’s 5G connections exceeded 4 million by mid-2025, according to ANCOM, but 4G still handled most mobile internet traffic. Your phone may display 4G more often than 5G without affecting normal travel tasks such as navigation, messaging, ticket downloads, or online payments.

Keep these habits in mind:

• Save hotel names and addresses in Romanian and English, especially for rural stays.
• Download offline maps for the Carpathians, the Danube Delta, or long road journeys.
• Use railway and bus apps before leaving a station, where platform information may change.
• Carry a power bank during full-day excursions; GPS and photography drain batteries quickly.
• Avoid relying on signal inside castles, caves, forests, and mountain valleys.
• Use Wi-Fi for operating-system updates, cloud photo backups, and high-definition streaming.
• Check your Hello data balance in the app before a driving day or border crossing.

For a broader trip-planning reference, see the Romania destination guide. Hello is also a travel companion for iOS and Android, combining eSIM connectivity for more than 200 countries with itinerary planning, budget tracking, AI receipt scanning, bank-statement imports, and multi-currency expense splitting.