Prepaid Switzerland eSIM | Swisscom, Sunrise & Salt

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Roami

Roami is a global eSIM carrier focused on travel connectivity. This guide is compiled from network data, official carrier and manufacturer documentation, and traveler inquiries.

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Switzerland is the one Alpine country where your phone plan choice collides with a fact most visitors learn too late. The country sits outside the European Union and outside the EU roaming zone, so the same network that keeps you online in Zurich can bankrupt you the moment you cross into France, and a French plan that worked all the way to Basel can start billing per megabyte the second you step off the train in Geneva. This Switzerland eSIM guide compares the three Swiss carriers on verified coverage and consistency figures, lays out the prepaid eSIM routes open to foreign visitors, and explains where a single travel profile that moves between all three networks spares you the border surprise.

Quick answer: The honest summary: Swisscom for reach, Sunrise for price, and very little separating them in the big cities. Start with the activation how-to if this is your first profile, then compare the plan tables below.

Everything else passes through the installation gate — eSIM compatibility tool and eSIM activation guide clear up either side of it. Then come back for the network verdicts.

The one-paragraph answer: Staying in Zurich, Geneva or Basel? Swisscom is the fastest and most consistent network, and it is the only one that reliably reaches the high Alps. Heading into the mountains at Zermatt, the Jungfrau region or the Gotthard corridor? Swisscom holds signal where Sunrise and Salt fade. Want a Swiss prepaid that also covers the EU crossing? Only Sunrise sells a tourist prepaid that includes France, Germany, Italy and Austria by default. Or skip the paperwork and the border maths: Roami’s free Switzerland trial eSIM tests the networks at no cost, and WEB20 trims 20% off Switzerland eSIM plans.

The carriers behind your Switzerland eSIM

This section answers the first practical question: of the three networks in the country, which ones can a foreign visitor actually buy a prepaid eSIM from, and what does each one give you.

Swisscom vs Sunrise: which is better in Switzerland?

Swisscom Sunrise Salt
Prepaid eSIM for visitors Yes, through Prepaid Flat tourist offer Yes, through the visitors prepaid page Yes, through Salt PrePay
Where it wins Fastest network, best alpine reach Strong cities, only prepaid with EU included Cheapest entry, good in towns
Cheapest prepaid entry CHF 20 for 7 days unlimited CHF 19.90 starter with credit Free SIM, CHF 10 credit, packs from CHF 9.95
EU roaming included No, Switzerland only Yes on Unlimited Europe prepaid, 46 countries No on prepaid, Europe on subscriptions only
Ease for a visitor ★★★ — online eSIM, passport needed for OFCOM rules ★★★ — online eSIM, foreign address accepted ★★★ — online eSIM, passport accepted

Read that table closely, because it hides the single most useful fact on this page. All three Swiss networks sell a prepaid eSIM a visitor can actually buy, but only Sunrise bundles the neighbouring EU countries into a prepaid product. Swisscom and Salt sell Switzerland-only prepaid data, so the moment you cross into France, Germany, Italy or Austria on those plans you are on paid roaming unless you add a separate package.

Smaller prepaid brands in Switzerland

Switzerland also runs a healthy set of smaller prepaid brands that lease capacity from the three networks, and several of them issue eSIMs too.

Brand Parent network Prepaid eSIM? Who it suits
Wingo Swisscom Yes Budget Swisscom coverage without the Swisscom price
yallo Sunrise Yes, through the app Cheap Sunrise data for city stays
Digital Republic Sunrise Yes, fully online Tech-savvy travellers wanting low-cost unlimited
spusu Salt Yes Salt network on a small monthly plan
Lebara Swisscom Yes Cheap calls with Swisscom reach
Post Mobile Salt Yes Salt network bought at Post branches

Two cautions apply. First, a budget brand is still tied to one parent network, so it shows the same mountain gaps as that parent the moment you leave the valley. Second, every one of these brands must run the same OFCOM identity check as the parent, so the passport step is not avoided by going small.

Digital Republic is the brand digital nomads ask about by name, and it is a Swiss provider rather than a Spanish or French one — worth stating plainly, because the name suggests otherwise and half the pages ranking for it are about other countries. It runs on Sunrise’s network and sells flat, speed-tiered plans, from a deliberately slow 0.4 Mbps tier up to full-speed 5G, with no activation fee and monthly cancellation; every flat plan is available as an eSIM at no extra cost. Two catches for a short trip: it is a subscription product rather than a pay-as-you-go tourist SIM, and activation needs digital identity verification with a valid ID document. It also resells a separate Travel eSIM covering 100-plus countries, which is a different product from the Swiss flat plans and priced on its own.

Buying routes: Swiss carrier direct vs travel eSIM

Direct from a Swiss carrier Travel eSIM on a Swiss network
What you need Passport for OFCOM registration; a subscription may ask for a Swiss address A compatible, unlocked phone
How the profile arrives eSIM QR or in store after an ID check QR code right after checkout
Typical cost Swisscom CHF 20 for 7 days; Sunrise from CHF 19.90; Salt free SIM plus packs One upfront price, no identity documents
Network access One carrier, or Sunrise Europe prepaid across 46 countries Automatic switching across Swisscom, Sunrise and Salt
Best for Long stays, a Swiss number, alpine focus on Swisscom One to three week trips, online on landing, border crossing

For a normal holiday, the Switzerland eSIM maths is not close. A Swiss prepaid plan charges in francs for a Swiss number and, on Swisscom and Salt, stops dead at the border. A travel eSIM buys data at wholesale and lets the device move between networks, which is exactly what you want once the itinerary leaves Switzerland.

💡 A multi-network eSIM profile is the practical middle path: Roami’s Switzerland eSIM keeps the convenience of instant delivery, re-attaches to whichever of the three Swiss networks is strongest where you are, and still lands you on Swisscom in the high mountains without buying twice.

Will my phone work on Swiss networks?

Three things decide whether your phone works on a Swiss carrier: its bands, its lock status, and a short list of device-specific quirks. All three are covered below.

Which bands does your phone need for Switzerland?

Swiss carriers build their 5G on band n78 at 3500 MHz, and their 4G on bands B1, B3, B7 and B20. Of those, B20 at 800 MHz is the one that matters most for travellers, because it is the low-band layer that carries signal into tunnels, remote valleys and the quieter mountain roads. A phone missing B20 still works in every city, but it loses the rural and alpine reach that separates Swisscom from the rest.

Band charts are not bedtime reading, and you do not need them by heart. Compare the model number, not the shop label, with phone compatibility list. If you would rather understand the machinery before relying on it on a mountain road, eSIM activation explained lays it out.

Installing your Switzerland eSIM

A locked phone is the most common reason a Swiss eSIM install simply fails, and the lock question cuts two ways here. A phone bought on a plan from Swisscom, Sunrise or Salt may be locked until the contract or the device is paid off. A phone brought from an EU or UK carrier may be locked to that carrier and will not accept a Swiss profile either. Switzerland is outside the EU roaming zone, but lock rules are set by the seller, not by the border.

Check it: on iPhone, open Settings -> General -> About -> Carrier Lock. When the display reads “No SIM restrictions,” any travel profile will install. A “SIM locked” verdict stops any travel profile from installing, full stop.

Fix it: ask the original seller for the unlock; neither Swisscom nor Sunrise can do it for a phone they did not sell. Once financing ends, the unlock typically arrives the same day and free of charge. Only then try installing your eSIM.

If you bought a used phone, or a phone on a contract, assume it may be locked and check before you fly. The Swiss regulator OFCOM sets the identity rules quoted elsewhere on this page, and lock status is a separate matter handled by the original seller.

Does my iPhone work with Switzerland eSIMs?

Device Symptom What to do
Carrier-locked EU or Swiss phone eSIM install fails entirely Unlock through the original carrier first, then retry
Phone missing Band 20 at 800 MHz Weak rural, tunnel and high-alpine signal Favour Swisscom, or use a multi-network eSIM
Mainland-China iPhone No Add eSIM option at all, hardware disabled Not fixable; use a different device
Dual-SIM users eSIM installed but no data Set the eSIM as the mobile data line
Older handset No automatic APN pick-up Enter the APN manually from the table below

Beyond this, your device is the variable, not Swisscom or Sunrise. A quick pass through the eSIM device checker now saves a broken plan in the mountains later.

Where should I buy my Swiss eSIM?

Four routes exist, and they differ more in price and in what happens at the border than in the install itself: Swisscom for the best network, Sunrise for the only EU-inclusive prepaid, Salt for the cheapest entry, and a travel eSIM for everyone who crosses a border. Each route, step by step.

The Swisscom route: Prepaid Flat for tourists

Swisscom is the incumbent and the network most visitors ultimately want in the mountains. Its tourist route is the Prepaid Flat offer, which is built for exactly this.

Swisscom Prepaid Flat, step by step:

  1. Open the Swisscom Prepaid for tourists page and choose a duration — the entry tier is CHF 20 for 7 days, with CHF 40 for 15 days, CHF 65 for 30 days and CHF 150 for 90 days above it.

  2. Choose the eSIM at checkout. Swisscom installs the profile by QR code, so there is no shop visit if your phone supports eSIM.

  3. Scan the personal QR code and the profile activates as soon as it connects to the Swisscom network in Switzerland.

  4. No contract and no long-term commitment. Data is unlimited within Switzerland but shaped to about 50 Mbps download, which is plenty for maps, tickets and video calls.

Swisscom Prepaid Flat prices at a glance:

Plan Data Validity Price (CHF)
Prepaid Flat 7 Unlimited, shaped to 50 Mbps 7 days 20
Prepaid Flat 15 Unlimited, shaped to 50 Mbps 15 days 40
Prepaid Flat 30 Unlimited, shaped to 50 Mbps 30 days 65
Prepaid Flat 90 Unlimited, shaped to 50 Mbps 90 days 150

Swisscom explicitly notes on its tourist page that Switzerland is not subject to the EU roaming regulation, which is a warning dressed as a feature: the unlimited allowance is Swiss-only, and France, Germany, Italy or Austria use paid roaming unless you add a travel option. Check your model before buying.

The Sunrise route: the EU-inclusive visitors prepaid

Sunrise is the one national carrier that sells a tourist prepaid with the neighbouring EU countries already inside it, which makes it the natural pick for a Switzerland-plus-France-Germany-Italy-Austria loop.

Sunrise visitors prepaid, step by step:

  1. Open the Sunrise visitors prepaid page. The starter is CHF 19.90 and arrives with CHF 20 of credit.

  2. Register the prepaid eSIM online. Sunrise states a Swiss address is not required and accepts a foreign address, with identity verification done by ID upload and a short video selfie.

  3. Pick a plan. The basic Unlimited CH rate charges CHF 2.50 per 24 hours of use for unlimited data, calls and SMS in Switzerland. The border-friendly choices are Unlimited Europe 7 at CHF 59.90 and Unlimited Europe 30 at CHF 74.90, which add 60 GB of high-speed data across 46 European countries including France, Germany, Italy and Austria.

  4. The eSIM downloads instantly after registration, and the Europe allowance starts on first use.

Sunrise visitors prepaid prices at a glance:

Plan Data Validity Price (CHF)
Unlimited CH starter Unlimited in Switzerland with CHF 20 credit 8 days of credit 19.90
Unlimited Europe 7 Unlimited CH plus 60 GB in 46 countries 7 days 59.90
Unlimited Europe 30 Unlimited CH plus 60 GB in 46 countries 30 days 74.90

The catch is coverage. Sunrise is excellent in cities but thinner than Swisscom on the high slopes, so visitors heading to Zermatt or the Jungfrau region should weigh the border saving against the alpine gap.

Does Salt sell a prepaid eSIM for visitors?

Salt is the budget option and the cheapest way to get online in Switzerland, though its prepaid is the weakest in the mountains and the least border-friendly of the three.

Salt PrePay, step by step:

  1. Order the Salt PrePay starter. Salt advertises a free SIM with CHF 10 of included credit, and the eSIM route is available through its activation flow.

  2. Complete the identity step. Salt accepts foreign passports and foreign identity cards through its verification process.

  3. Add a data pack. Current Swiss packs are 1 GB for CHF 9.95, 5 GB for CHF 14.95 and 25 GB for CHF 29.95, each valid for 30 days. If you prefer pay-as-you-go, the Unlimited Surf day rate runs about CHF 1.99 per active day.

  4. The eSIM installs by QR code once the credit and pack are in place.

Salt PrePay prices at a glance:

Item Data Validity Price (CHF)
Starter SIM Free SIM with CHF 10 credit Credit has no short expiry 0, free
Data pack 1 GB 1 GB 30 days 9.95
Data pack 5 GB 5 GB 30 days 14.95
Data pack 25 GB 25 GB 30 days 29.95
Unlimited Surf day Unlimited per active day Per 24 hours 1.99 per day

Salt’s Europe-inclusive deals live in its subscription tiers, not in PrePay, so a Salt prepaid used in France or Italy falls back to paid roaming. For a Switzerland-only stay on a tight budget, Salt is hard to beat; for a cross-border trip, Sunrise or a travel eSIM is the safer buy.

Switzerland eSIM pre-purchase checklist

  • Passport — required for OFCOM registration on every Swiss prepaid, physical or eSIM

  • IMEI — dial *#06#

  • EID — also from the *#06# screen; the eSIM’s own identifier

  • Unlocked phone — look for No SIM restrictions in the Carrier Lock entry

  • A card that works in Switzerland — some carrier checkouts reject foreign billing addresses

  • Wi-Fi — install the profile before you fly, not at the airport

Plans and current tiers live on our Switzerland eSIM page. Finish the install before departure so the profile is ready the instant you cross the border.

The Switzerland eSIM carriers: Swisscom, Sunrise and Salt

Two questions settle this section: how reliable each network is where you actually stand, and what kind of trip you are taking. The Ookla consistency figures answer the first, and the trip-type table answers the second.

How consistent are Swisscom, Sunrise and Salt?

The carrier-level figures below come from Ookla’s Speedtest Connectivity Report for Switzerland, collection period July to December 2024, and they are the consistency scores the Swiss slice supplies for this guide.

Carrier Consistency Score (Ookla H2 2024)
Swisscom 93.4
Salt 92.7
Sunrise 88.3

Source: Ookla Speedtest Connectivity Report — Switzerland, July to December 2024, the per-carrier report. Consistency reflects the share of samples meeting a 5 Mbps down and 1 Mbps up threshold.

Swisscom leads on consistency, Salt sits a hair behind, and Sunrise trails but stays above 88%. Separate Swiss network testing in 2026 put raw download speed even further apart, with Swisscom around 506 Mbps, Sunrise around 274 Mbps and Salt around 154 Mbps at the top end, which tells you why Swisscom is the safe pick where the mast is far away. Where the Ookla report does not publish a figure, the cell is left blank rather than estimated.

For the country as a whole, Ookla’s Speedtest Global Index put Switzerland’s median mobile download at 120.25 Mbps in August 2026, rank 39 worldwide, with 17 ms latency. Fixed broadband is far stronger at about 480.57 Mbps, rank 3. Cable.co.uk prices 1 GB of Swiss mobile data at roughly USD 7.29, which makes Switzerland one of the most expensive data markets in Europe and the single best argument for buying a Switzerland eSIM instead of roaming.

Best Switzerland eSIM pick by trip style

Your plans Go-to carrier What makes it the pick Watch out for
City break, Zurich, Geneva, Basel Swisscom or Sunrise Both are excellent downtown; Swisscom is fastest Peak congestion at stations
Ski or hike in the Alps Swisscom Widest alpine reach, Jungfraujoch and Zermatt high points Still download offline maps above 3000 m
Budget stay Salt or Sunrise Salt free SIM plus cheap packs; Sunrise daily rate Salt weaker at altitude
Cross-border into France Germany Italy Austria Sunrise Unlimited Europe prepaid 46 countries on one prepaid plan Swisscom and Salt prepaid are Switzerland only
Business travel and video calls Swisscom Strongest consistency and speed Travel eSIMs are data only, no local number
Multi-region rail trip A multi-network eSIM Switches as you move A single carrier shows gaps at the border

Swisscom vs Sunrise: coverage compared

Swiss coverage follows the money in the cities and follows the cable cars in the mountains. On real Swiss routes that picture plays out like this:

Region Reality on the ground Best carrier
Zurich, Geneva, Basel, Bern, Lausanne Dense 5G across centres, lakeside towns and transit hubs; you rarely drop to 4G downtown Any; Swisscom fastest
Bernese Oberland and Jungfrau Grindelwald and Interlaken covered; Jungfraujoch at 3454 m has Swisscom signal; Murren and Lauterbrunnen on 4G Swisscom
Zermatt and the Matterhorn Village and lifts on dense 5G; Gornergrat and high pistes steadiest on Swisscom; glaciers thin out Swisscom
Gotthard corridor and Ticino valleys Pass road and valleys on 4G; signal thins on remote high passes; Swisscom reaches furthest Swisscom
Border zones, Geneva, Basel, Ticino Phone can latch onto a French, German or Italian mast and roam both ways Travel eSIM or an EU-inclusive plan

Crossing a border? We publish the same sourced breakdown for France eSIM plans, Germany eSIM plans, Italy eSIM plans and Austria eSIM plans. If your itinerary covers several countries, a Europe saves buying twice.

Automatic network selection quietly does the work here. A profile that can move between Swisscom, Sunrise and Salt covers the gaps that any single-carrier plan cannot, especially once the route leaves Switzerland.

Do I need to set the APN for my Switzerland eSIM?

The APN screen is one most people never open, which makes it the first thing to check when data quietly fails. Below are the values for all three carriers, when manual entry is genuinely required, and the exact menu paths.

APN values for Swisscom, Sunrise and Salt eSIMs

You will only need these if you bought a SIM or eSIM directly from a Swiss carrier. If the line is a travel eSIM, its APN came preloaded and manual edits tend to break the data path.

Carrier APN Username Password
Swisscom gprs.swisscom.ch blank blank
Sunrise internet blank blank
Salt internet.salt.ch blank blank

Leave username and password empty. Where an operator insists on a value, the profile’s own instructions spell it out.

When Switzerland APNs don’t arrive automatically

  • An older handset that does not pick up carrier settings automatically

  • A profile installed with a manual activation code instead of a QR scan

  • A carrier-issued prepaid eSIM where automatic configuration did not run

  • Almost never on a travel eSIM, which is the point of a managed profile

Setting the APN on Switzerland networks

  • iPhone: Settings → Cellular → tap the eSIM line → Cellular Data Network → enter the APN

  • Android: Settings → Connections → Mobile Networks → Access Point Names → add a new APN

After saving, restart the phone. Silent data on a mountain road is usually a data-line mix-up, so check the eSIM is selected first.

How to install and activate a Switzerland eSIM

A single walk-through of this section handles a clean Switzerland eSIM install through working data, including the failure patterns a Swiss network can actually produce, in sequence.

Switzerland activation: the steps

# Check What good looks like
1 Phone is not carrier locked Carrier Lock under Settings → General → About shows No SIM restrictions
2 Phone supports eSIM *#06# shows an EID, or the handset compatibility checker confirms your model
3 QR code and activation code saved Screenshot on the phone and in cloud storage
4 Profile installed before departure Install on Wi-Fi at home; it connects when you land
5 Data line and roaming set eSIM selected for mobile data, data roaming on

Do step 4 at home. Zurich and Geneva arrival halls have congested Wi-Fi exactly when you need it most, and a profile you install on the ground competes with everyone else’s.

Activating on Swisscom, Sunrise and Salt

For the entire sequence on one page, our activation how-to guide is the reference. What differs by carrier:

  • Swisscom: activated from the QR on the tourist prepaid page; eSIM connects on first network touch in Switzerland, no store visit

  • Sunrise: registered online with ID upload and a video selfie; eSIM downloads after verification, foreign address accepted

  • Salt: PrePay eSIM installed by QR after the free SIM and credit are in place; passport accepted

  • Travel eSIMs: install by QR code, and the same profile re-attaches to whichever of Swisscom, Sunrise or Salt is strongest

Switzerland-specific eSIM problems and fixes

General activation errors, a profile that will not download, a scan that fails, an eSIM that installs but never registers, are covered in our eSIM troubleshooting guide. Watch for these four Switzerland-specific patterns as you read on.

A. The eSIM will not install

  1. Unlocked status confirmed when Carrier Lock shows No SIM restrictions

  2. Scan the code once, carefully; almost all of them expire after the first use

  3. Ask the carrier whether the OFCOM registration is still pending, since a failed ID check blocks activation

B. Installed, but no signal in the mountains

  1. Re-check the lock status

  2. Settings → Cellular → Network Selection → pick Swisscom manually for the best alpine reach

  3. Wipe all network settings and reboot once more, and remember coverage thins above the lifts

C. Signal bars, but a surprise roaming bill after crossing the border

  1. Confirm the eSIM is the data line and your home SIM has data roaming off

  2. On Swisscom or Salt prepaid, Switzerland-only data means France Germany Italy Austria use paid roaming; switch to a Sunrise Europe plan or a travel eSIM

  3. In Geneva Basel or Ticino, force the Swiss network manually so the phone does not latch onto a French German or Italian mast

D. Signal bars, but no internet

  1. Confirm each value you typed appears somewhere in the table above

  2. Verify the data line is assigned to the eSIM and not to your home card

  3. Check you have not exhausted your allowance; Salt prepaid throttles or stops once the pack is spent

What to prepare before calling support on a Swiss eSIM

Information Where to find it
Order or account number Confirmation email
Phone model and OS version Settings → About
EID *#06#
Screenshot of the error Take it before the screen changes
Current APN settings Settings → Cellular Data Network
Data roaming status Settings → Cellular → your eSIM line
Steps already tried Keep a short list

Switzerland eSIM FAQ

Can visitors buy a Swisscom eSIM?

Yes. Swisscom’s Prepaid Flat tourist offer sells an eSIM online with no contract and no Swiss address, at CHF 20 for 7 days, CHF 40 for 15 days, CHF 65 for 30 days and CHF 150 for 90 days, all unlimited within Switzerland shaped to about 50 Mbps. The catch is that the allowance is Swiss-only, so France, Germany, Italy or Austria use paid roaming unless you add a travel option.

Does Sunrise sell a prepaid eSIM that includes France Germany Italy and Austria?

It does, and it is the only one of the three that bundles the neighbours into prepaid. Sunrise Unlimited Europe 7 at CHF 59.90 and Unlimited Europe 30 at CHF 74.90 give unlimited data in Switzerland plus 60 GB of high-speed data across 46 European countries, including all four borders. Swisscom and Salt prepaid leave those countries on paid roaming, so for a cross-border loop Sunrise is the carrier eSIM to buy.

Can international visitors get a Salt eSIM without a Swiss address?

Yes. Salt PrePay issues an eSIM and accepts a foreign passport through its identity check, with no Swiss address required. The starter is advertised as a free SIM with CHF 10 of credit, and data packs run from CHF 9.95 for 1 GB. Salt is the cheapest Swiss entry, but its prepaid is Switzerland-only and thinner than Swisscom above the valleys, so weigh price against alpine reach.

Which operator blankets Switzerland best?

Swisscom, on the evidence and on the ground. It leads Ookla consistency at 93.4 and is the network that reaches the high points the others miss: the Jungfraujoch platform at 3454 m, the Gornergrat above Zermatt, and the remote stretches of the Gotthard corridor. Sunrise and Salt are strong in resorts and villages but fade on the high slopes and glaciers, so download offline maps before you head up.

Does EU roaming work in Switzerland?

No. Switzerland is not in the European Union or the European Economic Area, so the EU Roam Like at Home regulation stops at the border. An EU or EEA phone plan that worked free of charge in France starts billing at the carrier’s Swiss rates the moment you cross, and many Europe-only travel plans exclude Switzerland entirely. Confirm Switzerland is named in your plan before you rely on it.

Why does my EU phone plan charge extra in Switzerland?

Because the Roam Like at Home caps apply only inside the EU and EEA, which covers the 27 EU states plus Norway, Iceland and Liechtenstein. Switzerland is an EFTA member but never joined the EEA, so it sits outside that protected zone, and your home carrier may place it in a separate, pricier tariff band. Some EU operators include Switzerland voluntarily, but inclusion is a commercial perk you must verify, not a right.

Do you need ID for a Swiss prepaid SIM?

Yes, for any Swiss prepaid, physical or eSIM. OFCOM requires every carrier and every budget brand to register the SIM with an identity document, and a passport or Swiss identity card is accepted while a driving licence is not. The check is what makes a Swiss prepaid different from a no-documents travel eSIM, which handles identity at checkout instead.

Will my phone work with a Switzerland eSIM?

It needs to be unlocked and eSIM-capable, and it helps if it supports Band 20 at 800 MHz for rural and tunnel reach. One look at the compatibility page answers both the EID and the band questions. If the install step is the unclear part, read what happens during eSIM activation.

How to unlock a carrier-locked phone for Switzerland

Ask the carrier it is locked to. A phone on a Swisscom, Sunrise, Salt, or an EU or UK plan stays locked until the device or contract is settled, and the unlock is handled by that seller regardless of where you travel. Fully paid handsets are commonly released within a few hours. Check status at Settings → General → About → Carrier Lock before you fly.

Why does my EU plan work in Liechtenstein but not Switzerland?

Liechtenstein is in the EEA, so an EU or EEA plan that excluded Switzerland suddenly works at home rates the moment you cross from Austria into Liechtenstein, then flips back to international rates when you re-enter Switzerland a few miles later. The border is almost invisible but the billing is not, so keep data roaming off on your home SIM and use a Swiss or travel eSIM for the Swiss leg.

Should I buy from a Swiss carrier or use a travel eSIM?

Direct means one network, an OFCOM identity check, and often a Swiss number; in exchange you get domestic calling and, on Sunrise, EU coverage built in. A travel eSIM means instant delivery, no documents, automatic switching across Swisscom, Sunrise and Salt, and a fixed upfront price that already covers the border. Short trip: travel eSIM. Planning a long stay or need a local number? Skip the travel products and go carrier-direct.

What if my Switzerland eSIM stops working in the mountains?

Work the Switzerland-specific patterns above in order, lock status, manual network selection to Swisscom, APN and data line, then profile reinstall, and if it still fails the wider error catalogue in activation troubleshooting guide covers the rest. High in the mountains, favour Swisscom and always download offline maps before you set out, because even the best network thins on the highest glaciers.

More questions? See the complete FAQ →

The sources behind our Switzerland eSIM figures

  • Ookla Speedtest Connectivity Report — Switzerland, July to December 2024 — the per-carrier report carries every carrier-level number quoted on this page: Swisscom at 93.4, Salt at 92.7 and Sunrise at 88.3 on consistency. Only those three carrier rows came out of the Swiss Ookla slice, so nothing else is dressed up as an Ookla carrier figure.

  • Ookla Speedtest Global Index — the Switzerland entry is where the 120.25 Mbps mobile median, the roughly 480.57 Mbps fixed reading, the world rank and the latency are published each month.

  • OFCOM (Bakom) — the Swiss Federal Office of Communications writes the prepaid SIM and eSIM identity-registration rule cited throughout, and issues the coverage obligations that bind the three carriers.

  • Cable.co.uk worldwide data pricing — the global cost-of-1GB survey supplies the roughly USD 7.29 per gigabyte reading for Switzerland.

  • Swisscom Prepaid for tourists — the official tourist prepaid page backs the Prepaid Flat prices, the 50 Mbps shape and the carrier’s own note that Switzerland sits outside the EU roaming regulation. Sunrise visitors prepaid pricing with its 46-country Europe inclusion, and the Salt PrePay packs, are taken from those carriers’ own prepaid material. A dead source is a deleted source, come the next review.

These are third-party readings and carrier statements only. Outcomes shift with your device, the band it camps on, and how loaded the nearest site is.

How do the Switzerland plans compare?

Land in Zurich already online. Roami’s profile hops between Swisscom, Sunrise and Salt as you move, and stays with Swisscom in the high mountains. First-time buyers can start with a free multi-network trial eSIM or take 20% off with code WEB20 on a Switzerland eSIM plan.

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