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.
Article
What is an eSIM on iPhone: how it works and when it's right for you
The eSIM is a digital SIM card built into the iPhone: you don't insert it, you download and activate it from settings. We expla...
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Roaming
Dual SIM settings for traveling abroad: which line for data, which for calls
The exact dual SIM configuration for traveling abroad: travel eSIM on data with roaming on, home line on for bank texts with ro...
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Article
Free eSIM: The Truth Behind the Promise and What to Do Instead
Searching for "free eSIM" often confuses two distinct things: the virtual chip (which is almost always free) and the data that ...
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Article
How to switch from SIM to eSIM: a step-by-step guide
Converting your physical SIM line to an eSIM can be done through your carrier's app, without visiting a store or waiting. This ...
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Article
Can I Use an eSIM on a Locked Phone? The One-Screen Check
A carrier-locked phone silently blocks any travel eSIM, so check the one screen that gives you a straight answer before you buy...
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Article
Do You Need to Register a SIM Card as a Tourist in Asia?
Most of Asia now demands real-name SIM registration, so here is what each country actually asks a tourist for, where the proces...
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Article
Revolut eSIM: how to activate it, what it covers, and how it compares to PuraSIM
How to install and activate Revolut eSIM on iOS and Android, why it sometimes doesn't connect, what it actually covers accordin...
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Article
eSIM vs. Wi-Fi jetpack: what each one is and which is best for travel
"eSIM" and "jetpack" are not the same thing: one is a digital profile inside your cell phone, the other is a separate device th...
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Article
Airalo Customer Service Review: The Failure Modes Nobody Documents
An even-handed look at what actually happens when a travel eSIM breaks: the support failure modes star ratings never capture, h...
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Article
Unlimited eSIM Throttled: Why It Slows Down and What to Do
"Unlimited" travel eSIMs limit speed, not volume: here is how the daily fair use allowance works, how to tell throttling from a...
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Article
Internet for Traveling to Colombia: The No-Nonsense Guide
If you've never traveled with mobile data outside your home country, this guide explains in simple terms the three ways to get ...
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Roaming
Internet in Europe without an eSIM: what to do right now
If you're in Europe without internet, first confirm if your phone actually accepts eSIMs: most recent models do, even if you've...
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Article
Are Unlimited eSIM Plans Really Unlimited? The Honest Answer
Unlimited travel eSIMs are unlimited in volume, not in speed: a fair usage policy throttles you after a daily allowance, and th...
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Article
Numero eSIM reviews: coverage, price, and support (2026)
An honest, well-sourced review of Numero eSIM (what it offers, coverage, activation, support, and refunds) plus an objective co...
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Article
eSIM vs Local SIM Card: How to Actually Decide
An even-handed comparison of travel eSIMs and local prepaid SIM cards, with the break-even math, the friction costs nobody pric...
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Article
Buy Virtual eSIM: Honest Guide to Compare Before You Pay
Before buying a virtual eSIM, here's what really determines whether it will work on your trip: coverage in the exact country, a...
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Article
Why Is Airalo So Expensive? What You Are Actually Paying For
Airalo's price carries distribution — apps, marketing, affiliate commissions and a support desk — not a better connection. Here...
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Article
What does "hotspot" mean in Spanish? A complete guide with examples
Hotspot means "access point": the feature that shares your cell phone's mobile data with other devices via Wi-Fi. This guide ex...
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Article
Is it GB per day or GB in total? How to read an eSIM data plan
"2 GB for 15 days" and "1 GB per day for 15 days" look almost identical on a product page and behave nothing alike: here is how...
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Roaming
How to disable roaming on your phone (quick guide)
Disabling roaming is a single switch in Settings, but the menu name changes depending on your phone. Here's the exact path for ...
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