Internet abroad, made simple.

eSIM 101

What Is an eSIM and How Does It Work?

A plain-language guide to what an eSIM is, how it differs from a physical SIM and how to use it when you travel.

4 min read Comparison

eSIM vs Physical SIM: Key Differences

We compare eSIM and physical SIM cards on setup, security, flexibility and travel use.

4 min read Setup

How to Install an eSIM on iPhone

A step-by-step guide to installing a travel eSIM on iPhone, labelling the line and connecting with the right settings abroad.

4 min read Setup

How to Install an eSIM on Samsung

A step-by-step guide to installing a travel eSIM on Samsung Galaxy phones and using the right line for data abroad.

4 min read Choosing a Plan

How Much Data Do I Need for Travel?

Approximate data usage for maps, messaging, social media and video, plus plan suggestions for different travel styles.

5 min read Destination Guide

Best Ways to Get Internet in Japan

We compare roaming, pocket Wi-Fi, local SIM cards and eSIM for your Japan trip, with practical tips.

5 min read Comparison

Europe eSIM vs International Roaming

We compare carrier roaming with regional eSIM plans for travel in Europe on cost, coverage and convenience.

4 min read Usage

Can I Use WhatsApp with an eSIM?

We explain whether your WhatsApp number changes when you use a travel eSIM, and how calls and messages work.

3 min read Compatibility

Does My Phone Support eSIM?

How to check in seconds whether your phone is eSIM compatible, and the exceptions to watch out for.

4 min read Saving Money

How to Avoid Roaming Charges Abroad

The settings to change on your phone and practical tips to avoid a surprise bill when you get home.

4 min read Usage

How to Use an eSIM in Multiple Countries

Regional plan or several country plans for a multi-country trip? How to manage more than one eSIM profile.

3 min read Troubleshooting

eSIM Troubleshooting Guide

eSIM installed but no internet? The most common connection problems and step-by-step fixes.

5 min read