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Frequently Asked Questions About eSIM

Everything about virtual SIM cards for travel

This section contains information about eSIM technology and its use during trips. You'll learn about the advantages of virtual SIM cards over regular ones, device requirements, activation process, and mobile internet setup abroad.

Does the eSIM work immediately after arriving in Switzerland?

Yes, your eSIM will start working automatically after landing, as long as it’s been activated in advance and data roaming is enabled. Most providers start counting your plan from first network connection.

Can I use one eSIM in Switzerland and other countries?

Yes – if your plan includes roaming or multi-country coverage. Some eSIM plans work across Europe, but always check the list of supported countries before purchasing.

Do I need to register with my passport to use an eSIM in Switzerland?

No, you don’t need to register with a passport. Buying and activating an eSIM in Switzerland is fully online – just scan the QR code and you’re ready.

Can I make calls with an eSIM?

Some eSIM plans include voice minutes, but most are data-only. You can use WhatsApp, FaceTime, or other apps for calling over the internet.

How reliable is mobile signal in the mountains?

Signal can be unstable in remote or high-altitude areas. Most towns and tourist spots have good coverage, but it’s smart to download maps offline just in case.

Why use an eSIM?

An eSIM is a modern solution that lets you connect to the internet in advance – without wasting time searching for a SIM card in stores or overpaying for expensive roaming.

What are the advantages of an eSIM compared to a regular SIM?

You can activate eSIM in advance, there is no need to look for a store upon arrival, and the connection is very fast.

What do you need to use an eSIM?

You need a smartphone with eSIM support, internet access for activation, and a bank card for payment.

How to choose the right eSIM provider?

Pay attention to coverage in the required regions, internet speed, and 24/7 support availability. You can also get a personalized plan by taking a short quiz.

Does my phone support eSIM?

Most modern smartphones support eSIM. You can check your device compatibility here.

How to disable an eSIM after the trip?

Simply delete the eSIM profile in phone settings. This won't affect your main SIM card.