Mobile Connectivity: How to Use Your Phone in Switzerland
Feb 14,2025 | Milo
Table of contents
Will My Phone Work in Switzerland?
Will My Original Plan Still Work in Switzerland?
Mobile Network Carriers in Switzerland
International Plan Options for Your Phone in Switzerland
Comparison of Mobile Internet Options in Switzerland
When you're preparing for a vacation or business trip abroad, one of the first things that comes to mind is how to use your phone while in another country. Fortunately, there are several ways to stay connected in Switzerland, allowing you to use your phone just as you would back home. In this guide, we will walk you through everything you need to know about using your phone in Switzerland.
Though it may seem straightforward, there are numerous factors to take into account in order to determine which option is best for you. But don't worry! We'll break it all down for you.
Will My Phone Work in Switzerland?
In most cases, the answer is yes. You can use your phone normally in Switzerland just as in your home country. However, there are several factors that may affect your phone's function in Switzerland.
First, check if your phone is compatible with network frequencies in Switzerland. This information is essential to gauge how fast your internet connection will be during your travels. And the best way to check this is to contact your phone carrier directly.
Additionally, you should also check whether your phone is unlocked. Otherwise, you won't be able to connect to a different internet network than the one you use at home. You can check this by contacting the carrier or by yourself. Here is an instruction for steps to check.
Will My Original Plan Still Work in Switzerland?
Most network carriers provide roaming services in other countries for their users. Internet data roaming is quite convenient for users since they don't need to change SIM cards and need to do nothing. They can use their original SIM card to access Switzerland networks. And send messages, make phone calls and use mobile data via Switzerland networks.
But roaming charges sorely if you stay for extended days. If you don't want to go back home with an unexpectedly costly roaming fee bill, it's always wiser to double-check with your carriers about internet roaming services and prices.
---> You may want to know how to save roaming fees.
Mobile Network Carriers in Switzerland
Whether you're a traveler, an expat, or a local resident, understanding the coverage of the top three providers—Swisscom, Sunrise, and Salt—can help you pick the best option.
Salt Mobile
Salt is known for its competitive pricing and strong urban coverage. While its network is expanding, coverage in remote or mountainous areas may not be as extensive as other providers. It is a good option for budget-conscious users who primarily stay in cities.

- Coverage Area: Salt’s network coverage is relatively weaker compared to the other two providers. It mainly covers major cities (e.g., Zurich, Geneva, Bern) and key transportation routes.
- Blind Spots: Rural and mountainous areas, such as the Swiss Alps, have poor coverage, with potential signal blackouts
- Best for: Users who primarily stay in cities or urban areas. If you frequently travel to the countryside or mountains, you may face connectivity issues.
- Cost Efficiency: Salt is generally the most budget-friendly option, making it suitable for those looking for lower-cost plans while staying in urban areas.
Sunrise Mobile
Sunrise provides a well-balanced network, offering strong coverage in both urban and rural areas. It is especially popular for its 5G availability and international roaming options. Sunrise is a great choice for travelers and those who need a reliable connection outside major cities.

- Coverage Area: Sunrise has broader coverage than Salt, with strong signals in cities, towns, and along major roads. It performs well in eastern and southern Switzerland.
- Mountain Coverage: Compared to Salt, Sunrise has better coverage in mountainous areas, but there are still some blind spots in high-altitude regions.
- Best for: Users who need nationwide coverage, including both cities and some remote areas. It’s a more reliable option than Salt.
- Network Quality: Offers stable 4G and 5G connectivity, making it ideal for users who need faster and more reliable mobile data speeds.
Swisscom Mobile
Swisscom is Switzerland’s largest and most reliable mobile network provider, boasting the best nationwide coverage and fastest speeds. It is ideal for users who need seamless connectivity in remote regions, including mountainous areas. However, it tends to be more expensive than Salt and Sunrise.

- Coverage Area: Swisscom is the largest mobile provider in Switzerland, offering the most extensive coverage across cities, towns, and even rural regions.
- Mountain Coverage: Swisscom provides the best coverage in the Swiss Alps and other remote areas, making it the most suitable option for travelers, hikers, and outdoor enthusiasts.
- Best for: Users who require the best signal coverage across all areas, including rural and mountainous regions.
- Network Quality: Swisscom leads in 5G network expansion and speed, making it the best choice for business professionals, remote workers, and heavy data users.
- Pricing: Generally more expensive than Salt and Sunrise, but the higher cost reflects better network quality and coverage.
International Plan Options for Your Phone in Switzerland
Maintaining connectivity while traveling is crucial for navigating your routes, checking the attractions, and sharing your experiences on social media. Additionally, staying informed about updates concerning the weather, flights, and local events is important.
Fortunately, there are four options for you to stay connected while traveling in Switzerland. For countless travelers, including us, the top choices for staying connected are eSIMs and traditional SIM cards. While other options exist, we will focus primarily on these two for now.
Data eSIM for Switzerland
ByteSIM’s eSIM service stands out when considering pricing, offering both quality and convenience. Specifically for Switzerland, the eSIM is available at prices ranging from $2.9 to $123.9, providing unlimited mobile hotspot use. Also, ByteSIM offers a wider network choice in Switzerland, supporting Sunrise and Salt. This network diversity allows users to find the best signal in different areas of Switzerland, avoiding issues with unstable connections.
One of the key advantages of ByteSIM’s Switzerland eSIM is its flexible customization. Instead of being locked into a fixed data plan, users can select the exact number of days and data they need. Plus, if you require additional days, you can easily purchase a new one to extend your service.
Over the past few years, eSIM technology has become the go-to choice for a wide variety of travelers. The biggest reason for its popularity is its simplicity—setting it up takes just a few minutes, making it the most convenient and fastest option available.
Despite being an innovative technology, eSIMs do have a limitation: they are only compatible with newer devices such as the iPhone 14 or Samsung S22. If your smartphone was released a few years ago, it might not support eSIM functionality, though it’s always best to check beforehand.
If your device does not support eSIM, there are still traditional alternatives available, such as physical SIM cards. However, if your phone is compatible, activating an eSIM is a seamless process that can be completed in just a couple of minutes—often by simply scanning a QR code. It’s quick, hassle-free, and user-friendly for most travelers.
International SIM Card for Switzerland
Another option to stay connected is using a traditional SIM card—something most of us are familiar with and that virtually all phones support. You can easily purchase one designed for international use.
If your device isn’t compatible with eSIM for any reason, an international SIM card serves as a reliable alternative, offering the same benefits as a regular SIM. However, one important factor to keep in mind is that your phone must be unlocked and capable of supporting international SIM cards.
Pocket WiFi for Switzerland
Another option to consider is Pocket WiFi. A few years ago, these devices were extremely popular and widely used by travelers. However, with the rise of eSIM and SIM card solutions, their popularity has declined. Despite this, many providers still offer Pocket WiFi services, making them a viable choice for some users.
One major drawback of Pocket WiFi is its cost. The devices themselves can be quite expensive, often reaching $300 to $400, while rental plans typically range between $60 and $110 per week. This is an important factor to keep in mind when weighing your connectivity options.
Free WiFi in Switzerland
For those looking to minimize expenses, using free WiFi available in various local establishments is an option. Many cafés, restaurants, and hotels provide complimentary internet access to their customers.
However, relying solely on free WiFi can be quite inconvenient. You may find yourself without a stable connection for long periods or dealing with slow and unreliable speeds.
While it's true that many businesses offer WiFi, staying connected while on the move can be challenging, as public hotspots are not always readily available throughout the city.
Comparison of Mobile Internet Options in Switzerland
The following table provides a comparison of eSIMs, SIM cards, roaming, pocket WiFi, and free WiFi, evaluating them based on cost, ease of use, and key features.
Ultimately, the ideal mobile internet solution for Switzerland depends on your budget, needs, and personal preferences. Each option comes with its own advantages, so it's important to choose the one that best aligns with your travel habits and connectivity expectations.