The PuraSIM Blog
Guides, comparisons, and tips for staying connected while traveling: eSIM by destination, how to save on roaming, mobile compatibility, and everything you need before taking off.
Compatibility
eSIM-compatible phones: complete updated list 2024
In short: eSIM-compatible phones include iPhone XS (2018) and later, Samsung Galaxy S20 and later, and Google Pixel 3 and later...
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eSIM guides
How to install an eSIM on iPhone and Android step by step
In summary: installing an eSIM is done from the phone's Settings by scanning a QR code, and the entire process takes between 3 ...
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eSIM guides
What is an eSIM and why will they forever change the way you travel
In short: an eSIM (embedded SIM) is a connection chip soldered inside your mobile that replaces the physical SIM card: you buy ...
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Problems and solutions
Expired eSIM — What happens and how to renew it
In short: an expired eSIM means that the data plan has run out of time, not that the digital chip has disappeared: the profile ...
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Compatibility
How many eSIMs can an iPhone have? — Limits and management
In short: the number of eSIMs an iPhone can have depends on the model. Starting with the iPhone 13, your iPhone can store up to...
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Problems and solutions
Error scanning eSIM QR code — What to do
In short: The error when scanning an eSIM QR code is usually due to three causes: opening the QR code on the same phone you wan...
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Problems and solutions
eSIM installed but no data — Causes and solutions
In short: if your installed eSIM with no data appears active but you can't browse, it's almost never a card malfunction: most c...
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Compatibility
eSIM not appearing in iPhone settings — Quick fix
In short: If your eSIM doesn't show up in iPhone Settings, it can almost always be fixed in under five minutes. The most common...
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Travel types
eSIM for Cruises — Internet at Sea and in Port
In short: eSIM does not work on the high seas (out of land coverage), but it is the perfect solution in ports. At each cruise s...
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Travel types
eSIM for a European Road Trip — Connected in Every Country
In short: For a multi-country European road trip, a multi-country Europe eSIM is the smoothest option: a single data plan that ...
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Travel types
eSIM for family travel — Internet for everyone without overspending
In short: For a family travel eSIM, the usual approach is not to buy a line for each person, but to combine one or two generous...
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Travel types
eSIM for business travel — Connected and productive
In short: A business travel eSIM gives you active data as soon as you land, without roaming queues or relying on hotel Wi-Fi. Y...
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Travel types
eSIM for Erasmus Students — Connected All Year Without Roaming
In short: As an Erasmus student, you need reliable connectivity for months, not days. A Europe-wide eSIM saves you from changin...
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Comparisons
eSIM vs Portable WiFi: Which Is Better for Travel?
In summary: in the eSIM vs. portable WiFi comparison, the eSIM wins for most travelers: it's cheaper overall for the trip, does...
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eSIM guides
eSIM Airplane Mode: How It Works and What It's For
In short: The eSIM in airplane mode does not lose its profile or become deactivated: it remains installed on the mobile, but it...
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Comparisons
Cheap eSIM for Travel — The Best Alternatives in 2026
In this article What makes an eSIM expensive or cheap? More affordable alternatives to Holafly How to find the cheapest eSIM fo...
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Problems and solutions
eSIM Not Connecting Abroad — Causes and Quick Solutions
In short: If your eSIM isn't connecting abroad, the cause is almost always data roaming being disabled, an incorrectly configur...
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Roaming
Why roaming is so expensive — and how to avoid the bill
Direct summary: Expensive roaming exists because your carrier pays international interconnection agreements and passes that cos...
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Roaming
Internet without roaming when traveling — Complete guide 2026
The most important thing: traditional roaming can cost you between 10 and 50 times more than what you pay at home. The most eff...
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Destinations
Best eSIM Japan 2026 — Get Cheap Data & Reliable Coverage
In summary: Traveling to Japan without mobile data is risking getting lost in a country where signage is mostly in Japanese and...
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