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.
Problems and solutions
WhatsApp with eSIM: calls, chats, and video calls abroad without roaming
Does WhatsApp work with a data eSIM? Yes: chats, calls, and video calls without roaming. I'll explain how to use it abroad and ...
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Problems and solutions
Using a VPN with a travel eSIM: China, privacy, and tricks
Can you use a VPN with a travel eSIM? Yes. Guide for China, privacy on public Wi-Fi, and what to set up before you leave. Trick...
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Destinations
eSIM for Vietnam: Coverage, Viettel & How Much Data to Bring
eSIM for Vietnam with 1-minute activation. Viettel and Vinaphone coverage, GB per day, Hanoi and Ho Chi Minh and how to avoid e...
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Destinations
eSIM for a Vienna getaway: data from the moment you land
Weekend getaway to Vienna. With an eSIM, you'll have internet as soon as you leave the airport: maps, transportation, and museu...
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eSIM guides
eSIM for Zoom and Teams video calls: how much data they use and how many GB you need
Will an eSIM support your Zoom or Teams video calls abroad? How much data they use, which data plan to get, and how to avoid di...
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Destinations
eSIM Summer 2026 in Europe: which plan and how many GB
eSIM for Summer 2026 in Europe: Which plan to choose based on your route, how many GB for July and August, and how to avoid roa...
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Problems and solutions
eSIM real speed vs. advertised: what to actually expect
Is eSIM as fast as they claim? Real vs. advertised speed, what truly limits it, and how to measure and improve it on your trip....
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Destinations
eSIM for USA and Canada: one eSIM for both countries
eSIM for USA and Canada with a single card. T-Mobile, AT&T, Rogers, and Bell coverage, how many GB to bring, and how to avoid e...
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Destinations
eSIM for Turkey: coverage, operators, and data without expensive roaming
eSIM for Turkey with 1-minute activation. Coverage, local operators, how many GB you need, and how to avoid expensive roaming i...
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Destinations
eSIM Turkey: Internet in Turkey as soon as you land
eSIM Turkey for internet upon landing. Turkcell and Vodafone coverage, GB per day, 1-minute activation, and Spanish support.
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Destinations
eSIM for Trinidad and Tobago: Easy Internet in the Caribbean
eSIM for Trinidad and Tobago with 1-minute activation: bmobile and Digicel carriers, 4G coverage in Port of Spain, recommended ...
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Destinations
eSIM for Tajikistan: data and coverage on the roof of the world
eSIM for Tajikistan with 1-minute activation: Tcell and Megafon operators, 4G coverage in Dushanbe, GB for the Pamir, and how t...
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eSIM guides
Tourist SIM card vs. eSIM: which is more cost-effective when traveling
Local Tourist SIM Card vs. eSIM: We compare price, convenience, and coverage to help you decide which is best for your trip.
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Destinations
eSIM for Suriname: easy internet in Paramaribo and the jungle
Hassle-free eSIM for Suriname: Telesur and Digicel providers, 4G coverage in Paramaribo, recommended GB, and 1-minute activatio...
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Destinations
eSIM for Sudan: coverage, operators, and travel data
eSIM for Sudan with 1-minute activation: local carriers, 4G coverage in Khartoum, how many GB to bring, and how to avoid expens...
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Problems and solutions
Watch Netflix and stream with eSIM when traveling: how to do it without breaking the bank on data
How to watch Netflix, Prime, or Disney+ with an eSIM when traveling: how much data streaming consumes, international catalogs, ...
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Problems and solutions
Receiving SMS verification abroad: banks, 2FA, and codes
Can you receive bank SMS messages and verification codes abroad with an eSIM? I'll explain how 2FA works outside of Spain and w...
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Destinations
eSIM Singapore, Malaysia and Thailand: one plan for your Southeast Asia trip
Singapore, Malaysia, and Thailand itinerary? A single multi-country eSIM covers all three. What it includes, what it's for, and...
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Destinations
eSIM Singapore: Guide to the Most Connected City-State
eSIM Singapore: coverage, local operators, data from Changi, and how many GB you need. Land connected in the city-state. Activa...
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Destinations
eSIM for Sierra Leone: stay connected in Freetown without expensive roaming
eSIM Guide for Sierra Leone: coverage in Freetown, local operators, GB based on your trip, and activation in 1 minute. Avoid ex...
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Destinations
eSIM for Seychelles: Internet on the Islands Without Roaming
eSIM Guide for Seychelles: Coverage in Mahé, Praslin, and La Digue, GB according to your trip, local operators, and 1-minute ac...
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Destinations
eSIM for Seville: Internet for tourists from the minute you land
How to get internet in Seville as soon as you land with an eSIM: coverage, how much data you need, and why it's better than hot...
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eSIM guides
eSIM disconnects or loses connection: causes and solutions
Is your eSIM disconnecting or losing connection? Find out why it's disconnecting and how to fix it step-by-step: roaming, APN, ...
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