Luxembourg eSIM: Stay Connected the Moment You Land
Skip the SIM queues and pricey roaming. A Luxembourg eSIM gets you fast 4G/5G data the second you arrive in the Grand Duchy.
Tiny but mighty, Luxembourg packs castles, glass-walled EU institutions and forest valleys into a country you can cross in under an hour. The last thing you want is to fumble with roaming charges or hunt for a SIM shop. A Luxembourg eSIM gets you online before you even leave the airport.
Why use an eSIM in Luxembourg
An eSIM is a digital SIM you install by scanning a QR code, so there's no plastic card and no shop visit. You keep your home number active for calls and texts while data runs on a local plan. No surprise roaming bills, no deposit, and you can set it all up before you fly.
Instant activation, delivered by email
Keep your existing number and apps
Top up or switch plans anytime
Networks & coverage
Luxembourg has excellent mobile coverage thanks to three operators: POST Luxembourg, Orange and Tango. All three run modern 4G/LTE networks, and 5G is widely available in and around Luxembourg City, Esch-sur-Alzette and Differdange. Coverage is strong nationwide, including the Moselle wine region and the Mullerthal trails, though deep valleys may briefly dip to 4G.
1Buy your plan and pick the data amount that fits your trip.
2Scan the QR code you receive by email and install the eSIM.
3Enable data roaming for the eSIM line and you're online on a local network.
How much data do you need
1-3 GB: a short city break with maps, messaging and email
5 GB: a week of regular browsing, social media and navigation
10 GB or more: longer stays, video calls, streaming or hotspot use
Luxembourg has plenty of free Wi-Fi in cafes and hotels, so a mid-size plan covers most travelers comfortably.
Good to know
Currency: Euro (EUR)
Capital: Luxembourg City
Languages: Luxembourgish, French, German (English widely spoken)
Time zone: Central European Time (CET, UTC+1)
Don't miss: the Bock Casemates, the Grand Ducal Palace and the dramatic Vianden Castle
FAQ
Will my phone work with an eSIM?
Most phones from the last few years support eSIM, including recent iPhones, Samsung Galaxy, and Google Pixel models. Check your settings for an "Add eSIM" option.
When should I install it?
Install at home over Wi-Fi before you travel. The plan typically activates when you arrive and connect in Luxembourg.
Can I keep WhatsApp and my number?
Yes. WhatsApp is tied to your phone number, which stays active. You just use the eSIM for data, so your chats work normally.
Yes. Luxembourg has some of the best mobile coverage in Europe, and a HelloSIM eSIM connects to strong local networks so you have data as soon as you arrive, with no physical SIM to collect.
Is my phone compatible with a HelloSIM eSIM for Luxembourg?
Most recent phones support eSIM, including iPhone XS and later, Google Pixel 3 and newer, and recent Samsung Galaxy S, Note and Z series. Check under your cellular settings for an Add eSIM option or dial *#06# to look for an EID.
How do I buy and set up a HelloSIM eSIM for Luxembourg?
Choose a Luxembourg plan on HelloSIM, complete payment, and receive a QR code by email and in your account. Scan it under your phone's Add eSIM screen and the profile installs within a couple of minutes.
How do I install the eSIM QR code on an iPhone?
Open Settings, tap Cellular or Mobile Data, then Add eSIM or Add Data Plan, choose Use QR Code and scan the HelloSIM code. Give the line a label like Travel so it's easy to manage alongside your main number.
How do I install a HelloSIM eSIM on Android?
On most Android phones go to Settings, then Connections or Network and Internet, tap SIMs or Mobile Network, select Add eSIM or Download a SIM instead, and scan the QR code. Exact menu names vary on Samsung, Pixel and other brands.
Should I set up the eSIM before travelling to Luxembourg?
Yes, install it while you still have Wi-Fi at home, since scanning the QR code needs an internet connection. You can wait to switch the line on until you land so your validity isn't wasted.
When should I activate my Luxembourg eSIM?
Install ahead of time, then enable data roaming for the eSIM once you arrive in Luxembourg. Many HelloSIM plans begin their validity at first network connection, so activating on arrival gives you the full period.
Which networks does HelloSIM use in Luxembourg?
HelloSIM connects through Luxembourg's main operators such as POST Luxembourg, Orange and Tango, so your phone automatically registers on a reliable local network across Luxembourg City and the country.
Is there 5G in Luxembourg?
Yes, Luxembourg has widely deployed 5G, one of the most advanced rollouts in Europe. If your phone supports 5G and the plan and network allow it, you can enjoy 5G speeds, otherwise you'll be on fast 4G/LTE.
How reliable is coverage across Luxembourg?
Because Luxembourg is small and densely served, 4G and 5G coverage is excellent almost everywhere, from Luxembourg City and Esch-sur-Alzette to the Moselle valley and the Ardennes-style north. Signal gaps are rare.
How much data do I need for a few days in Luxembourg?
For a long weekend of maps, messaging, social and light browsing, around 1 to 3 GB is usually plenty. Add more if you stream video or tether other devices during your stay.
How much data should I get for a week in Luxembourg?
A week of typical travel use generally fits within roughly 3 to 5 GB. Heavier users who stream a lot or work remotely should size up or plan to top up mid-trip.
What data plans and validity does HelloSIM offer for Luxembourg?
HelloSIM offers Luxembourg data plans in a range of sizes and durations, commonly from a few days up to about 30 days. Pick the data amount and validity that fit your trip length and habits.
How much does a Luxembourg eSIM cost?
The price depends on the data amount and validity you select, with smaller short plans costing less than larger longer ones. See the HelloSIM Luxembourg page for current pricing in your currency.
Can I use my Luxembourg eSIM in neighbouring countries?
Luxembourg is in the EU and borders Belgium, France and Germany. HelloSIM's regional Europe plans cover all of these on one eSIM, which is ideal if you're crossing borders, as many day trips easily do.
Will one eSIM work if I drive into France, Belgium or Germany?
A Luxembourg-only plan is intended for Luxembourg, but a HelloSIM regional Europe plan keeps you connected across France, Belgium, Germany and much of the EU. Choose the regional option for multi-country trips.
Can I use my Luxembourg eSIM as a hotspot?
Yes, HelloSIM plans allow tethering, so you can share data with a laptop or tablet. Keep in mind that hotspot use, especially streaming, drains data faster, so choose a larger plan if you rely on it.
Can I keep my home number while using the eSIM in Luxembourg?
Yes. The eSIM works as a second line for data while your usual SIM stays active, so you keep your home number for calls and texts and use HelloSIM for cheaper data.
How do I configure dual SIM for Luxembourg?
Keep your primary SIM for calls and texts, set the HelloSIM eSIM as your data line, and turn off data roaming on your home SIM to avoid extra charges. On iPhone you manage this under Cellular, Cellular Data.
Do I need to change any APN settings?
Usually not, since the correct APN is configured automatically during installation. If data doesn't come through, HelloSIM supplies the APN to enter manually in your phone's mobile data settings.
I've landed in Luxembourg but have no service, what now?
Confirm the HelloSIM line is switched on, data roaming for that line is enabled, and the eSIM is set for data. Toggling Airplane mode or restarting the phone usually prompts it to register on a Luxembourg network.
My Luxembourg eSIM won't register on a network, how do I fix it?
Restart the phone, then set network selection to Automatic for the eSIM line. If it still won't connect, manually pick a local operator such as POST, Orange or Tango from the available networks list.
Do I need data roaming turned on for the eSIM?
Yes. A travel eSIM connects as a visitor on local networks, so you must enable data roaming for the HelloSIM line. This doesn't add fees, it's simply how the eSIM gets online.
Can I make regular calls and send texts with a HelloSIM Luxembourg eSIM?
HelloSIM plans are data-only and don't include a local number for standard calls or SMS. You can still talk and message over the internet with apps like WhatsApp, FaceTime or Signal.
How do I top up if I run low on data in Luxembourg?
Buy more data from your HelloSIM account by topping up the eSIM or adding a new plan, usually without needing a fresh QR code. Everything is handled online so you stay connected.
What happens when my Luxembourg plan runs out?
Once your data or validity is used up, the connection pauses until you top up or add a new plan. You generally receive low-balance alerts so you can add data before running dry.
Will I have internet at Luxembourg Airport when I arrive?
Yes. With the eSIM installed and the line switched on with roaming enabled, it should connect soon after you land at Luxembourg Findel Airport, so you can book a taxi or bus and open maps right away.
Is there free Wi-Fi at Luxembourg Airport?
Yes, Luxembourg Findel Airport offers free Wi-Fi, useful for a first QR scan or quick check-in. An eSIM is still better for staying online on the bus into the city and while getting around.
What is the emergency number in Luxembourg?
The EU-wide emergency number 112 works throughout Luxembourg for ambulance, fire and police. You can also reach police directly on 113. Emergency calls connect even without an active data plan if you have signal.
What internet speeds can I expect on a Luxembourg eSIM?
Thanks to strong 4G and extensive 5G, speeds are typically fast enough for HD streaming, video calls and smooth navigation, often reaching high tens or hundreds of Mbps on 5G. Actual speed depends on location and device.
Does the eSIM work outside Luxembourg City?
Yes, coverage is excellent nationwide, including Esch-sur-Alzette, Vianden, Echternach, the Mullerthal trails and the wine-growing Moselle region. You should stay connected on hikes and drives across the country.
Can I use the eSIM for navigation while driving in Luxembourg?
Absolutely, live navigation works well given the strong coverage and short distances. Downloading offline maps is still a smart backup, especially if you plan cross-border drives into France, Belgium or Germany.
Do I have to register my passport or ID to use an eSIM in Luxembourg?
No. A HelloSIM travel eSIM needs no local registration or paperwork, unlike some physical prepaid SIMs. You simply install the profile and connect, which is convenient for short business or leisure trips.
Is an eSIM good for a business trip to Luxembourg?
Yes, it's ideal, given Luxembourg's role as a business and EU institutions hub. You get instant, reliable data for email, calls over Wi-Fi apps and hotspot use, and a regional plan covers nearby countries if you travel on.
Can I install the eSIM on two devices at once?
No, an eSIM profile is tied to the single device where you scan its QR code. To get another device online, use your phone's hotspot or buy a separate plan for that device.
What if I accidentally delete my eSIM?
Deleting an eSIM profile usually removes it permanently and it may not re-scan from the same QR code. Contact HelloSIM support before deleting, so they can reissue or advise, and be careful not to remove it by mistake.
Can I get a refund on my Luxembourg eSIM?
Refunds generally apply to plans that haven't been installed or activated yet. Once an eSIM is in use, refunds may be limited, so review HelloSIM's refund policy and contact support if you hit a problem.
Is a HelloSIM eSIM cheaper than roaming in Luxembourg?
For travelers from outside the EU, a local travel eSIM is usually much cheaper than default carrier roaming. EU residents may already benefit from roam-like-home, so it's worth comparing before you buy.
Any tips for staying connected on my Luxembourg trip?
Install the eSIM before you fly, download offline maps if you plan cross-border drives, remember 112 for emergencies, and keep your home SIM's roaming off. Turn the eSIM line on when you land and you're ready.
Do the currency or language affect buying an eSIM for Luxembourg?
No, you buy the eSIM online in advance in your own currency. Luxembourg uses the euro, and French, German, Luxembourgish and English are all common, so setup and travel are easy.
