Stay connected in Switzerland with premium eSIM coverage on Swisscom, Sunrise, and Salt. Zurich, Geneva, Bern, Lucerne, Zermatt, and the Swiss Alps covered. Instant activation — no Swisscom shop queue.
5G ready Hotspot included Keep your home line 24/7 humans
Change your mind within 7 days and we refund in full — as long as the eSIM is unused or under 100 MB, so you can install it and check it connects first. A plan that genuinely fails is refunded any time. Details.
Pick data amount and validity. Pay with card, Apple Pay, or Google Pay.
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Scan the QR code
We email a QR code instantly. Scan it in Settings — installed in under 60 seconds. No app needed.
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Land online in Switzerland
Your phone connects to local networks automatically when you arrive. No SIM swap, no kiosk. Hotspot included.
Network
Coverage & connectivity.
Networks we run on in Switzerland
Salt5GSunrise5G
Your device connects to the strongest available network automatically — no manual setup.
Zurich Geneva Basel Bern Lausanne Lucerne Zermatt St. Moritz Interlaken
Switzerland has one of Europe's best mountain mobile networks. Swisscom has invested heavily in alpine coverage and reaches the vast majority of Swiss hiking trails and ski pistes. Sunrise and Salt compete in cities and major resort areas. All SBB train routes — including the Glacier Express, Bernina Express, and GoldenPass Line — have 4G coverage throughout. Zurich, Geneva, Basel, and Bern have full 5G. Major mountain destinations — Zermatt, Grindelwald, Verbier, Engelberg, St. Moritz, and Davos — have 5G or strong 4G in resort areas. Cable car and gondola routes to summits (Klein Matterhorn, Jungfraujoch, Schilthorn) have 4G at the top. High alpine terrain above 3,500m on glacier routes may have 3G. The Swiss National Park and Valais remote valleys have coverage in accessible zones.
Plan size
How much data do you need?
Pick your travel style and trip length — we'll suggest the right Switzerland plan, no guessing.
Does this work on the Glacier Express and Bernina Express?
Yes. Swisscom has 4G coverage throughout the Glacier Express (Zermatt to St. Moritz) and Bernina Express (Chur to Tirano) routes. Tunnels on the Bernina line have some short gaps, but coverage is excellent overall.
Is Zermatt well covered?
Yes. Zermatt village has 5G coverage. The cable car to Klein Matterhorn (3,883m — highest cable car in Europe) has 4G at the summit station. High glacier terrain above may be 3G.
What about Jungfraujoch (Top of Europe)?
Swisscom has 4G at Jungfraujoch (3,454m). The cogwheel train through the Eiger and Mönch tunnels has coverage at stations; tunnel sections between stations may drop briefly.
How does pricing compare to Airalo Switzerland?
Flysimio is typically 40–55% cheaper for equivalent Switzerland plans on the same Swisscom or Sunrise network.
Does this work in Liechtenstein?
Yes. Liechtenstein uses Swiss carrier networks (Swisscom roaming), so your Switzerland eSIM works seamlessly in Vaduz and throughout the principality.
What is an eSIM?
An eSIM (embedded SIM) is a digital SIM built into your phone. Instead of a physical card, you scan a QR code and your plan installs instantly — no SIM tray needed.
Is my phone eSIM-compatible?
iPhone XS (2018) and newer, most Android flagships from 2020+, and all Samsung Galaxy S21+ devices support eSIM. Check our compatibility page for the full device list.
How do I install the eSIM?
After purchase, we email a QR code. On iPhone: Settings → Cellular → Add eSIM → Scan QR Code. On Android: Settings → Network & Internet → SIMs → Add eSIM. The whole process takes under 60 seconds.
Can I keep my regular SIM while using this eSIM?
Yes. Most phones support dual SIM (physical + eSIM). Keep your home number for calls and SMS — use Flysimio for data abroad. You control which SIM handles what in your phone Settings.
Does the eSIM include a hotspot (tethering)?
Yes, all Flysimio plans include mobile hotspot at no extra charge. Share your data connection with laptops, tablets, or other devices freely.
What happens when my data runs out?
You can top up data from your account dashboard at any time. Top-ups are applied instantly — no need to buy a new eSIM or wait.
Can I get a refund?
Yes. We offer a full refund within 7 days of purchase. Contact contact@flysimio.com with your order number.
How long is the eSIM valid for?
You have 6 months from your purchase date to activate the eSIM. Once activated, the plan validity period (e.g., 7 days, 30 days) begins counting down.
Will the eSIM work at the airport when I land?
Yes — as long as you installed the eSIM before your flight, it activates automatically when your phone connects to a local network on landing. No Wi-Fi required for activation.
What if the QR code doesn't scan?
If the QR code won't scan, you can enter the activation code manually — we include both in the email. You can also contact our 24/7 support team and we'll resend or manually provision your eSIM.
eSIM in Switzerland
The complete guide.
Best eSIM for travel to Switzerland
The best Switzerland eSIM combines premium alpine coverage, clear pricing, and instant setup. Flysimio runs on Swisscom, Sunrise, and Salt — with Swisscom's heavy investment in mountain coverage reaching Zermatt, Grindelwald, and the Jungfrau region, plus 5G in Zurich, Geneva, and Bern. Plans are prepaid with no contract and no roaming bill surprises: choose your data, pay once, done. Your QR code arrives by email seconds after checkout and installs in under a minute, every plan includes free mobile hotspot, and a 7-day money-back guarantee has you covered. Land at Zurich or Geneva already connected and skip the Swisscom shop queue entirely.
How to set up a Switzerland eSIM (step by step)
Getting online in Switzerland takes about two minutes. First, confirm your phone supports eSIM — iPhone XS (2018) and newer and most Android flagships from 2020 qualify. Choose your Switzerland plan on Flysimio and pay with card, Apple Pay, or Google Pay; your QR code arrives by email within seconds. On Wi-Fi before you fly, open Settings → Cellular → Add eSIM (iPhone) or Network & Internet → SIMs → Add eSIM (Android) and scan it — a manual code is included too. Keep your home line as default until arrival. When you land at Zurich, Geneva, or Basel, your Flysimio line connects automatically to a Swiss network — no kiosk, no physical SIM, no queue.
How much data do you need in Switzerland?
Most travellers over-buy. For maps, messaging, and email, roughly 300 MB a day is plenty, so a 3–5 GB plan covers a week comfortably. Add social media, alpine photos, and music and you'll want about 700 MB a day — a 10 GB plan suits a two-week trip taking in the cities and the mountains. Heavy streamers, video callers, and anyone tethering a laptop should plan for 1.5 GB or more per day or choose an unlimited daily plan. Good news for scenic rail: the Glacier Express and Bernina Express have 4G along most of the route, so you can share the views live. Use the calculator above to size it, and top up mid-trip if you run low.
Using a Switzerland eSIM on iPhone and Android
Flysimio runs as a second line beside your usual SIM, so you keep your home number for calls and texts while your Swiss data flows over the eSIM — standard dual-SIM behaviour on iPhone XS and later and most Android phones from 2018. After installing, set the Flysimio eSIM as your cellular-data line and turn on Data Roaming for that line only; it simply lets the eSIM connect to Swiss networks, with no roaming fees — and it even works in Liechtenstein, which runs on Swiss networks. Keep your home SIM on for messages and calls, or switch it off to avoid your own carrier's charges. If you're unsure about your model, the compatibility page confirms it before you buy.
Hotspot, calls, and texts on a Switzerland data eSIM
Every Flysimio Switzerland plan includes mobile hotspot at no extra cost and without throttling, so you can tether a laptop or tablet or share with a travel companion and use your full allowance freely — useful on long scenic-train days. As a data-only eSIM it has no Swiss phone number, but that rarely matters: WhatsApp, FaceTime, Messenger, and Google Meet handle calls and messages over data, and your home number stays reachable on your primary SIM. You keep costs predictable and skip Switzerland's famously steep roaming charges.
Short Switzerland trips vs. long stays
For a weekend in Zurich or a quick alpine break, a small 1–5 GB plan on a 7-day validity is the most economical choice. For a two-week rail journey through the Alps or a longer stay, a 10–20 GB plan or an unlimited daily option lets you navigate, stream, and work without watching a meter. Because Flysimio gives you six months to activate, you can buy before you leave and the validity only starts when your eSIM first connects in Switzerland. No contract, nothing to cancel — the plan stops when it's done, and you can top up or rebuy for your next trip.
