If you're searching for internet in Ukraine, you're almost certainly not planning a vacation. Those who write to me with this question are usually journalists, NGO workers, humanitarian aid workers, people going to set up or repair something for work, and, most of all, Ukrainians from the diaspora traveling back and forth through Poland to see family. So I'm going to write to you, not to a tourist brochure. First, straight to the point: the Spanish Ministry of Foreign Affairs recommends not traveling to Ukraine under any circumstances, and their travel advisories (updated June 3, 2026) take precedence over anything you read here. Second: if you go anyway, mobile data stops being a convenience and becomes a matter of safety, because air raid alerts are received via app.
Ukraine today: war, martial law, and curfew
How do I connect in Ukraine? With a local eSIM activated before crossing the border and your Spanish backup line. Since January 2026, EU roaming applies in Ukraine, but with data limits; with blackouts and air raid alerts via app, it's advisable to have two networks, not one.
Ukraine has been at war and under martial law since February 2022. This is not a bureaucratic nuance: it changes what you can do, where you can be, and at what time. Martial law and mobilization are extended in 90-day blocks by a vote of the Rada, so the expiration date you see today will have changed in three months. Always check it on the Foreign Ministry's website, not a blog.
There is a curfew throughout the country, with different hours depending on the region. In Kyiv, it usually runs from 00:00 to 05:00; in the oblasts near the front, it starts much earlier and is considerably stricter. During these hours, you cannot be on the street without a special permit, and that includes going from the train to the hotel. Plan arrivals with plenty of time: a delayed train can leave you stranded at a station until five in the morning.
Two other things worth internalizing. One: it is forbidden to photograph or publish images of military infrastructure, air defenses, or impact sites, and publishing them with geolocation can get you into serious trouble with the police. Two: if you are Spanish, register with the consulate's Traveler Registry before entering. Adult men must always carry their passport or ID to prove their nationality at military checkpoints.
Being connected is not optional: alerts come via mobile
This is the point I want you to take away even if you read nothing else. In Ukraine, air raid alerts are issued via mobile app. Yes, sirens still sound in cities, but the siren doesn't tell you what's approaching, from where, or how long it will last. The app does, and in many towns and on many roads, there is simply no siren to hear. Without data, you won't know.
The Foreign Ministry expressly recommends installing the free alert app "Тривога" (Trivoga / Air Alert), available for Android and iOS, which provides real-time alerts by region. Many people supplement it with Telegram channels for the oblast they are in and, in Kyiv, with the municipal app Kyiv Digital. The official public services app Diia also pushes useful notifications. All of this works with data: if you lose connection, you lose alerts.
The rule I apply and that several correspondents have repeated to me: a mobile with data and battery above 50% are part of safety equipment, just like a flashlight. This is not a tourist's concern.
This leads to a practical consequence that almost no one explains: having a single connection method is a single point of failure. If your only line is with your Spanish operator and their local network partner goes down, you're blind. If your only line is a Ukrainian SIM and you lose it during a transfer, same thing. Two active profiles on the same phone cost little and solve a lot.
Entering by land: what happens to your phone at the border
Ukrainian airspace has been closed since February 2022 and there are no commercial flights. Entry is by land: mainly from Poland (the Medyka, Korczowa, or Shehyni crossings, and the train from Przemyśl), and also from Romania, Moldova, Slovakia, and Hungary. For Spaniards, a passport is required —an ID card is not valid— and proof of financial means: the Foreign Ministry suggests about €300 plus €50 per day of stay.
The border is slow. Waits of several hours at land crossings are normal, and on weekends or holidays, they can be much worse. The overnight Przemyśl–Kyiv train takes about 10 to 12 hours, including border control, which is done on the train itself.
And now to our main topic: at the crossing, your phone switches networks. You're connected to a Polish operator (Play, Orange, Plus, T-Mobile) and suddenly you switch to Kyivstar, Vodafone Ukraine, or lifecell. This switch isn't always smooth. It's common to be without data for twenty minutes just when you want to announce that you've crossed. Three tips:
- Activate and test your Ukrainian eSIM before crossing, using Polish Wi-Fi. Do not install anything in the border queue.
- Leave network selection on automatic and restart your phone if it doesn't connect within ten minutes.
- Download offline maps of the area and save screenshots of tickets, addresses, and contacts.
The Ukrainian network: operators, coverage, and national roaming
There are three operators with their own networks: Kyivstar (the largest, about 25 million users), Vodafone Ukraine, and lifecell. All three provide extensive 4G/LTE in cities, oblast capitals, main roads, and most rural areas in the west and center. Commercial 5G is not generally deployed: during the war, the priority has been to keep 4G running, not to launch new technology.
What truly distinguishes Ukraine is something you won't see in any other European country: national roaming. A week after the 2022 invasion, the three operators agreed that their customers could connect to each other's networks when their own was down or damaged. This has been extended since then and is activated by zone, when needed. It is not a permanent and universal service—it's worth noting—but it has proven to be one of the most effective resilience measures of the war.
The context helps to understand the achievement: more than 4,000 base stations and about 60,000 km of fiber have been damaged. Even so, there is signal in most of the territory controlled by Ukraine. Where there isn't, or where it's intermittent, is near the front, in recently liberated areas, and in border areas with military restrictions. There, don't count on coverage and plan accordingly: meeting points, fixed schedules, and someone outside who knows your route.
Blackouts and antennas: the problem no one tells you about
If you ask me what is the number one cause of losing signal in Ukraine, the answer is not electronic warfare or lack of antennas: it's electricity. Attacks on the power grid cause scheduled and unscheduled outages, and an antenna without electricity stops transmitting as soon as its battery runs out.
Operators have invested a lot of money in autonomy. Kyivstar has invested more than 2.3 billion hryvnias in energy independence, Vodafone Ukraine about 2 billion, and lifecell around 1.5 billion. Together, they have purchased about 15,000 generators; lifecell-Datagroup also installed 2,000 generators and more than 120,000 lithium batteries. It's a huge effort.
And still it's not enough. The regulator required 10 hours of operation without grid power, and operators have not been able to meet it: in December 2025, outages at lifecell facilities lasted an average of 8 to 12 hours, and by early 2026, they exceeded 16 hours daily in some places. In fact, the sector has asked to lower the requirement from 10 to 6 hours. Translated: in winter, and during long blackouts, there will be times without coverage no matter what contract you have.
What to do about this, in practice:
- Carry a large power bank, 20,000 mAh or more, and charge it whenever you have an outlet, even if it's at 80%.
- Keep your phone above 50%. Dropping below 20% during a blackout is a bad place to be.
- Have a car charger and, if you're staying for weeks, a small portable power station.
The four ways to connect, compared
The options are the same as always, but here they are judged by different criteria: it doesn't matter which is cheaper, it matters which fails less and which you can have working the minute you land—or cross—without relying on an open store.
| Option | Estimated Cost | Ready When | Weak Points in Ukraine |
|---|---|---|---|
| Roaming with your Spanish operator | Included in your plan (with fair use data limit) | Upon crossing the border | Limited data allowance; dependent on a single network partner |
| Hotel or cafe Wi-Fi | €0 | Upon arrival at the location | Goes down with blackouts; useless when walking around |
| Local SIM (Kyivstar, Vodafone, lifecell) | ≈ 300–400 UAH (€6–8) with plan included | After finding a store and registering passport | In-person process; reduced hours; number change |
| Data eSIM | Depends on plan and days | Before leaving home | Requires compatible phone and Wi-Fi for download |
The conclusion I draw is different from that for a normal destination. Here, it's not about choosing one and discarding the rest: it's about stacking two independent layers. A local eSIM for daily data, your Spanish line active in the background for calls, bank SMS, and as an emergency network if the other fails. And Wi-Fi, when available, for downloading maps and making backups. In December 2023, a cyberattack left Kyivstar's 25 million customers without service for hours; those who had a second line remained connected.
Your Spanish operator: what changed on January 1, 2026
There's a big new development here, and I have to tell you about it even if it costs me sales. As of January 1, 2026, Ukraine and Moldova are part of the EU roaming zone, the famous "Roam Like at Home." That means your Spanish plan works in Ukraine at domestic prices, without roaming surcharges, just as if you were in Lisbon. The zone now covers 32 countries.
Before you close the tab, here's the fine print, which matters a lot in this destination:
- Fair Use Policy. Your operator can limit GBs while roaming, especially on prepaid and low-cost plans. Many offer a data allowance significantly lower than at home.
- Verify with your operator before leaving. The obligation is regulatory, but each company applies it with its own conditions and dates.
- If you are not from the EU—and a good portion of those traveling to Ukraine for work are not—this does not apply to you, and classic roaming is still very expensive.
If you want the details of how much you pay outside this bubble, I break it down in how much international roaming costs, and I compare the two options head-to-head in eSIM vs. roaming. My interpretation for Ukraine: the regulatory change makes your Spanish line an excellent plan B, not necessarily plan A. With a limited allowance, using maps, video calls, and uploading material, it runs out faster than you think.
Hotel and cafe Wi-Fi, and the Starlink phenomenon
Ukrainian Wi-Fi has a peculiarity that surprises everyone who arrives: Starlink is everywhere. Since 2022, thousands of terminals have been deployed in hospitals, city halls, schools, offices, hotels, and cafes. It is very common to enter a place in Kyiv, Lviv, or Dnipro and see the white dish on the facade and a sign indicating that there is internet there even if the power goes out.
This creates a curious map. During a blackout, the cafe with Starlink and a generator might have a better connection than your hotel, and the telephone tower across the street might be dead. Locals who work with journalists and volunteers know this and advertise it. Ask directly: "generator and Starlink?" It's a normal question there.
That said, don't build your trip around Wi-Fi. It depends on the venue, the generator's fuel, and whether you can be inside—and with a curfew, you can't be out at night. Public Wi-Fi is also public Wi-Fi: always use a VPN for your email, bank, and work communications. In a country at war, this isn't manual paranoia; it's basic hygiene.
And pocket Wi-Fi? In Ukraine, I see little point: it's another device to charge in a country where battery life is gold, and it solves nothing that a data profile on your own phone wouldn't solve better. I argue this calmly in eSIM vs. pocket Wi-Fi.
Local SIM: real prices for Kyivstar, Vodafone, and lifecell
Ukrainian prepaid SIMs are cheap and work well. The starter pack usually costs between 50 and 100 UAH, and with a contracted plan, you'll pay around 300–400 UAH (approximately €6–8, with the exchange rate hovering around 45–50 hryvnias per euro; check it on your travel day). You can buy them at operator stores, shopping centers, and kiosks, and you'll need your passport: registration of the owner is mandatory and has been tightened during the war.
| Operator | Plan | Data | Price |
|---|---|---|---|
| Kyivstar | LOVE UA Light | 20 GB | 300 UAH / 4 weeks |
| Kyivstar | LOVE UA Power | 50 GB | 350 UAH / 4 weeks |
| Vodafone Ukraine | Start | 15 GB + 800 min | 180 UAH / month |
| Vodafone Ukraine | Pro | 25 GB + 1,200 min | 230 UAH / month |
| Vodafone Ukraine | Max | 40 GB + 1,600 min | 300 UAH / month |
| lifecell | Prepaid range | from ~3 GB to large packs | approx. 150–350 UAH / month |
These are approximate prices from 2026; operators have raised them several times during the war, so confirm them on their websites. The downside of a local SIM isn't the money, it's the timing: you arrive at night, with a curfew, and stores are closed. Precisely during the first few hours, when you most need to announce you're safe, is when you have nowhere to buy one. If you're staying for months and need a Ukrainian number for banking or paperwork, buy one anyway: it will pay off. I compare the two options in eSIM vs. local SIM.
How much data you need and what to pack in your bag
An eSIM is a digital SIM that downloads and lives inside your phone, without physical plastic. Its advantage here is not convenience, but time: you activate it from home and cross the border already connected, without depending on a store being open. And since it coexists with your Spanish line, it gives you those two layers I mentioned. Specific details on plans and coverage can be found in my eSIM guide for Ukraine.
| Profile | Data / week | Why |
|---|---|---|
| Short family visit | 3–5 GB | Messaging, alerts, maps, occasional video calls |
| Volunteering / NGO | 10–15 GB | Daily coordination, photos, hotspot use |
| Press and communication | 25 GB or more | Uploading video and audio, live streams, heavy transfers |
| Business / reconstruction | 15–20 GB | Videoconferences, blueprints, email with attachments |
And the short list of what I carry, adapted for this destination: a power bank of 20,000 mAh or more, a car charger, a spare cable, the alert app installed and tested before entering, offline maps downloaded, a VPN, and the phone numbers for the consulate and your local contact also written down on paper. When the power goes out and your phone is at 4%, paper works.
Frequently Asked Questions
Can one travel to Ukraine right now?
The Ministry of Foreign Affairs recommends not traveling to Ukraine under any circumstances. The country is at war and under martial law, with a curfew and closed airspace. If your trip is unavoidable due to work, press, or family, register with the Travelers' Registry and consult the updated official information sheet before each trip.
Does my Spanish mobile phone work in Ukraine?
Yes, and from January 1, 2026, without roaming surcharges: Ukraine has entered the EU roaming zone. Be aware of the fair use policy, which limits GBs according to your plan. Confirm your allowance with your operator before leaving and do not use it as your sole means of connection.
How do I receive air raid alerts?
Via mobile app, and for that you need always-active data. The Ministry of Foreign Affairs recommends installing the free app "Тривога" (Trivoga / Air Alert) for Android and iOS, which provides real-time regional alerts. Many residents combine it with their oblast's Telegram channels and, in Kyiv, with the Kyiv Digital app.
What happens to coverage during blackouts?
Antennas run on battery and generator, and when these run out, they stop broadcasting. Operators have invested billions of hryvnia and purchased some 15,000 generators, but in long blackouts, some areas lose service. Carry a large power bank and keep your phone always highly charged.
Is it true that operators share networks with each other?
Yes: national roaming has existed since 2022. Kyivstar, Vodafone Ukraine, and lifecell agreed that their customers could connect to another operator's network when their own is down or damaged. It is activated by zone depending on the situation, it is not permanent throughout the country, but it has saved many communications.
Do I need a passport to buy a Ukrainian SIM?
Yes, registration with a document is mandatory. You will need to show your passport at any Kyivstar, Vodafone Ukraine, or lifecell store. The initial pack costs between 50 and 100 UAH, and with a contracted plan, it's around 300–400 UAH, about 6–8 euros at the current exchange rate.
How do I enter the country if there are no flights?
By land, mainly from Poland, Romania, or Moldova. Airspace has been closed since February 2022. The most used route is the train from Przemyśl (Poland), about 10-12 hours to Kyiv. You need a passport and proof of financial means: about €300 plus €50 per day.
Can I post photos and videos from the field?
Not of military infrastructure, anti-aircraft defenses, or impact sites. It is prohibited under martial law, and publishing geolocated material can lead to serious legal problems and endanger third parties. Disable geolocation on your camera and wait until you are away from the location before sharing anything.
Conclusion
To summarize the important points. Ukraine is not a tourist destination right now and the Ministry of Foreign Affairs recommends against travel; if you go, it's for a compelling reason. In that case, connectivity is safety equipment: air raid alerts arrive via app, airspace is closed, and you enter by land with your mobile switching networks at the border. The Ukrainian network holds up thanks to national roaming between operators, and the real enemy of your coverage is blackouts. From January 2026, your Spanish plan works there without surcharges, with data limits, and a local SIM costs 300–400 UAH but requires an open store and a passport.
My practical recommendation is simple: two layers of connectivity and a huge battery. Keep your Spanish line active as a backup and carry your daily data on an eSIM for Ukraine that you activate from home before crossing. When the lights go out and the rest of the train car loses signal, you'll be grateful you spent five minutes on this. Take good care.
