Newly arrived traveller setting up mobile internet at Zagreb Airport.

How to Get Internet in Croatia: Step-by-Step Guide

NoveSIM | Last updated on: September 30, 2026 | 8 minute read

To get internet in Croatia, first check whether the phone is unlocked and supports eSIM, then choose a data method before departure. Install a travel eSIM on reliable WiFi or plan where to obtain a local SIM, and complete the mobile-data settings after arrival.

This guide follows the task in order, from checking the handset to confirming a working connection in Croatia. It is intended for travellers who have already decided they need mobile internet and want to avoid setup mistakes at the airport, ferry port or roadside.

NoveSIM travel eSIMs are data-only. They do not include a Croatian phone number, conventional calls or SMS, but maps, messaging, email and internet-calling apps work through the data connection.

Quick answer: Confirm that the phone is eSIM-compatible and carrier unlocked, select a Croatia eSIM plan with enough validity and data, install it on stable WiFi, and keep it labelled but inactive for mobile data until the plan instructions say to connect. In Croatia, select the eSIM for cellular data, enable roaming on that travel line, disable roaming and automatic data switching on the home SIM, then test with WiFi off.

Top Croatia eSIMs

How to Get Internet in Croatia: Step 1

Do not rely only on the commercial name of the handset. The same phone family can have regional variants, and eSIM support may differ by model number or sales market.

  1. Open the device information page and record the exact model number.
  2. Confirm that this model supports adding an eSIM.
  3. Check that it is not restricted to the operator that sold it.
  4. Make sure the operating system is reasonably current.
  5. Confirm that the phone can use the home line and eSIM together if dual-SIM operation is required.

Use the NoveSIM compatible-device checker before purchase. A carrier-locked phone may display an eSIM menu but still reject a travel profile.

Step 2: Choose the Connection Method

There are three practical mobile options:

  • Travel eSIM: suitable when mobile data is needed without visiting a shop or removing the home SIM.
  • Local prepaid SIM: useful when a Croatian number or domestic voice service is necessary.
  • Home-SIM roaming: convenient when the existing tariff clearly includes Croatia with a sufficient allowance.

If you are still choosing between these methods, use the separate comparison of internet options in Croatia. For local-number and physical-card questions, see the Croatia SIM-card guide.

Step 3: Select the Right Data Allowance

Match the validity to the whole trip, including the arrival and departure days. Add a small buffer rather than choosing a package that expires before the final transfer.

Activity Planning approach
Messaging, tickets and occasional maps A modest fixed allowance may be sufficient
Daily navigation and social media Allow for regular use and background app traffic
Video calls, streaming or cloud uploads Choose a larger fixed package or examine unlimited-plan speed rules
Laptop hotspot Confirm tethering support and control background computer updates

Download offline maps and entertainment before departure. Pause automatic photo backup on cellular data. If heavy usage is expected, compare the conditions in the unlimited-data guide for Croatia rather than assuming that “unlimited” means unrestricted full-speed service.

Step 4: Install the eSIM on Stable WiFi

Install where another screen can display the QR code and where the connection is unlikely to drop. Keep the QR code and manual installation details private because they belong to the purchased profile.

  1. Open the phone’s mobile or cellular settings.
  2. Select the option to add an eSIM or mobile plan.
  3. Scan the QR code or enter the manual details supplied with the order.
  4. Wait until the new line appears in the device settings.
  5. Name it Croatia Data or another label that cannot be confused with the home SIM.
  6. Follow the package instructions for activation timing and validity.

Installing a profile and starting its validity are not always the same event, but this depends on the plan. Follow the specific order instructions rather than testing the line early. The full device sequence is available in the Croatia eSIM installation guide.

Step 5: Prepare Offline Essentials

A working mobile plan should not be the only copy of information needed immediately after arrival. Save:

  • the accommodation address and access instructions;
  • airport, bus, rail or ferry tickets;
  • an offline map covering the first transfer;
  • the booking reference and essential contact numbers;
  • the NoveSIM order and support details;
  • the next stage of the route for a road or island itinerary.

Open each file once and test it with WiFi and mobile data temporarily disabled. A screenshot is useful only when it contains all the information required to act.

Step 6: Apply the Correct Settings in Croatia

  1. Turn off airplane mode after landing or crossing the border.
  2. Open the phone’s mobile-network settings.
  3. Enable the installed travel eSIM.
  4. Select it under Mobile Data or Cellular Data.
  5. Enable data roaming for the NoveSIM line.
  6. Disable data roaming on the home SIM unless its use is intentional.
  7. Turn off automatic mobile-data switching.
  8. Leave automatic network selection enabled initially.

A travel eSIM may need roaming enabled because it connects through a supported Croatian partner network. Croatia’s mobile network operators are Hrvatski Telekom, A1 Hrvatska and Telemach Hrvatska, but the eSIM can use only the network or networks included with the selected package.

Step 7: Verify the Cellular Connection

Do not treat signal bars alone as proof that data is working. A line can register with a network without being selected for mobile data.

  1. Switch WiFi off completely.
  2. Check again that the travel eSIM is the selected data line.
  3. Open a lightweight webpage or refresh a map.
  4. Review the device’s data counter to confirm that usage is recorded on the intended line.
  5. Send a message through a data-based app.

After a successful test, WiFi can be used again for larger downloads. Keep automatic data switching off so a temporary weak signal does not move traffic to the home SIM.

Step 8: Understand Calls, SMS and Your Normal Number

The home SIM can often remain active on a dual-SIM phone while the travel eSIM supplies data. WhatsApp and similar apps normally remain registered to the existing number, even though their internet traffic uses the eSIM.

Conventional calls and SMS on the home number remain governed by the original provider. They may incur roaming charges even when mobile data is correctly assigned to the travel line. Check the current tariff before answering calls or sending messages.

If you plan to use only the home plan, verify the allowance in the Croatia roaming guide before enabling its data roaming.

Step 9: Account for Coverage along the Route

Connectivity can change between city streets, historic buildings, inland roads, mountain areas, islands and ferry interiors. Network congestion also rises in busy coastal destinations and at large events.

Consult the Croatia coverage guide for route planning. 4G, 5G, speed and hotspot access depend on the selected plan, device, terrain and local network conditions. Keep the offline copy of the route even when national coverage is strong.

Step 10: Troubleshoot without Deleting the eSIM

  1. Turn WiFi off and confirm that the travel profile is enabled.
  2. Verify that it remains selected for mobile data.
  3. Check roaming on the travel line and automatic switching on the phone.
  4. Wait several minutes for first registration.
  5. Toggle airplane mode once and restart the device if needed.
  6. Keep automatic network selection as the baseline before scanning manually.
  7. Check the APN only if service still does not start.

The NoveSIM APN is data.esim. Do not enter the APN of a Croatian retail operator, and do not create several competing APN profiles. Preserve the installed eSIM unless NoveSIM support specifically instructs you to delete it.

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FAQ

What is the easiest way to get internet in Croatia?

For a traveller with a compatible unlocked phone who mainly needs data, installing a travel eSIM before departure is usually the most direct method. Local SIM and roaming remain alternatives for specific needs.

Should I activate my Croatia eSIM before travelling?

Follow the selected plan’s instructions. Installation and activation are not always the same event, and starting service early may affect validity on some packages.

Why does the travel eSIM need data roaming enabled?

A travel eSIM connects through supported partner networks, so roaming normally needs to be enabled on that line. Keep roaming off on the home SIM unless its use is intentional.

What should I do if the eSIM has signal but no internet?

Confirm that it is selected for mobile data, enable roaming on the travel line, turn off WiFi and automatic switching, toggle airplane mode once and verify that the APN is data.esim. Do not delete the profile without support guidance.

Final Recommendation

To get internet in Croatia reliably, prepare before departure: verify the handset, choose the connection method and save the first route offline. A travel eSIM is a practical data-only choice when no Croatian phone number is required.

After arrival, select the eSIM for mobile data, enable roaming only on the travel line and test with WiFi switched off. These checks confirm that the phone is not silently using the home SIM.

Keep automatic network selection as the starting point and preserve the installed profile during troubleshooting. With the settings confirmed and essential documents stored offline, the connection is ready for city, coastal, ferry and road travel in Croatia.

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