How do I activate an eSIM on iOS?

On iPhone: Go to Settings > Cellular > Add eSIM. Scan the QR code provided by your carrier or paste the activation code. Once added, make sure to enable Data Roaming for the eSIM only. If no service appears, toggle Airplane Mode for 10 seconds and try again.

How do I activate an eSIM on Android?

On Android: Go to Settings > Network & Internet > SIMs > Add eSIM. Choose to scan the QR code or enter the activation code manually. Once added, set the eSIM as your Data SIM and enable Mobile Data. Some devices may require a restart for the eSIM to be fully activated.

Can I keep my physical SIM active while using an eSIM?

Yes, you can keep your physical SIM active for calls and SMS while using the eSIM for mobile data. Most devices allow you to select which SIM handles data, calls, or texts separately.

What should I do if my eSIM does not activate?

If your eSIM fails to activate, double-check the QR code or activation code. Ensure your device is connected to Wi-Fi during activation. Restart your device, and if it still doesn’t work, contact your eSIM provider for troubleshooting or request a replacement QR code.

Best eSIM for Denmark (2025) | Copenhagen, Aarhus & Beyond

Quick Answer: Traveling to Denmark in 2025? Whether you’re exploring Copenhagen’s colorful Nyhavn, biking through Aarhus, or visiting Odense and Aalborg, an eSIM is the fastest way to stay connected. No need for a physical SIM — just scan, activate, and enjoy reliable 4G/5G coverage from TDC (YouSee), Telenor, or Telia. This guide compares the best Denmark eSIMs with updated prices, coverage, and setup tips.

Why use an eSIM in Denmark?

Instant data connection at Copenhagen Airport (CPH).
Strong coverage in both major cities and smaller towns.
Works seamlessly across Scandinavia (Sweden, Norway, Finland).
Keep your home SIM active for calls while using local data with eSIM.

Top Picks (2025)

Airalo: Budget-friendly packs for short stays.
Holafly: Unlimited-style data for heavy usage.
Nomad: Nordic/Europe regional bundles — perfect for multi-country trips.

Denmark eSIM Prices (2025)

Provider	Plan	Price (USD)	Validity	Best for
Airalo	1–3 GB	$5–$8	7–15 days	Weekend city trips
Airalo	5–10 GB	$12–$20	30 days	Longer vacations
Holafly	Unlimited-style	$27–$65	5–30 days	Work or streaming
Nomad	Scandinavia/Europe pack	$14–$29	7–30 days	Multi-country train travel

Coverage & 5G in Denmark

TDC (YouSee): Largest network, strong rural coverage.
Telia: Reliable in urban centers with fast speeds.
Telenor: Great value, good nationwide service.

5G: Available in Copenhagen, Aarhus, Odense, Aalborg, and expanding nationwide.

Travel Connectivity

Trains between Copenhagen–Aarhus and Odense–Aalborg have good coverage. Ferries to Bornholm and coastal areas maintain 4G. Wi-Fi is widely available in cafes, hotels, and public libraries.

Setup Guide

Purchase an eSIM plan from Airalo, Holafly, or Nomad.
Receive QR code by email.
iPhone: Settings → Cellular → Add eSIM. Android: Settings → Network → Add eSIM.
Scan QR and assign it for mobile data.
Enable Data Roaming for eSIM.
Restart device and test with Google Maps.

Which plan should I choose?

Short stay: Airalo 1–3 GB.
Business traveler: Holafly unlimited.
Scandinavia tour: Nomad multi-country pack.

Tips to save data

Use offline maps for Copenhagen and Aarhus.
Stream videos in medium quality.
Upload photos when connected to hotel Wi-Fi.

Troubleshooting

No service? Enable roaming and restart phone.
Slow speed? Switch between 4G and 5G.
Hotspot? Works with Airalo/Nomad, may be limited with Holafly.

FAQs

Is 5G available? Yes, in all major cities.

Do I get a Danish number? Most eSIMs are data-only, but calls work with WhatsApp, Skype, etc.

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Disclosure: This article may contain affiliate links. Prices valid as of 2025.