PuraSim BlogThe 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.
Destinations
eSIM Japan 7 Days — Choose Your Data Plan & Activate Easily
In summary: for a 7-day Japan eSIM, a 10 GB plan with a Docomo or SoftBank network comfortably covers maps, social media, messa...
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Comparisons
The Best eSIM for Travel in 2026 — A Guide to Choosing Wisely
Direct Answer: The best eSIM for travel is one that covers your destination with good speed, competitive price per GB, and inst...
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Comparisons
Airalo vs. PuraSim: Which is the Best eSIM for Travel in 2026?
Direct Answer: Airalo is the most recognized name in travel eSIMs, but PuraSim offers more competitive prices in the most sough...
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Compatibility
eSIM on iPhone: How to Install and Activate It Step by Step
In short: To install an eSIM on your iPhone, go to Settings → Cellular → Add eSIM and scan the QR code that your carrier or Pur...
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eSIM guides
eSIM card: what it is, how it works, and what it's for
In short: An eSIM card is a digital SIM embedded in your mobile that you can activate instantly, without needing a physical car...
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eSIM guides
How to Buy an eSIM Online — Step-by-Step Guide
In short: You can buy an eSIM online at PuraSim in less than 3 minutes. Choose your destination, select the data plan, pay, and...
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Comparisons
Holafly vs PuraSim: an honest comparison for travelers in 2026
In summary: in the Holafly vs PuraSim comparison, Holafly bets on "unlimited" data plans in a single country, with possible spe...
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Problems and solutions
Common Problems When Activating an eSIM and How to Fix Them
In summary: common eSIM problems almost always boil down to three causes: the wrong data line selected on the phone, data roami...
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eSIM guides
How to use WhatsApp with an eSIM abroad
In short: WhatsApp works with any data eSIM without any special configuration: the app only needs internet, it doesn't care if ...
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eSIM guides
How much data do you need for your trip? A guide by traveler type
In short: to know how much data you need for travel, calculate your daily usage (300-500 MB for moderate use), multiply it by t...
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Comparisons
eSIM vs Physical SIM: Differences, Advantages & Which One to Use When Traveling
In short: the eSIM is a chip integrated into the phone, not a removable card: it activates with a QR code in seconds, stores se...
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Roaming
eSIM vs roaming: which is better for travel?
In short: if you travel within the European Union with a normal Spanish rate, roaming is already included and you don't need an...
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Roaming
How to avoid roaming when traveling: complete guide 2024
In short: to avoid roaming when traveling, the most practical option is to install a data eSIM for your destination before leav...
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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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