How To Buy and Install eSIMs For Travel

Buying and installing eSIMs for travellers has become one of the easiest ways to stay connected abroad. Whether you are planning a single destination holiday or a multi country trip, eSIMs remove the hassle of physical SIM cards and help travelers avoid expensive roaming fees.

This guide to buying and installing eSIM for travel explains how eSIMs work, how to buy an eSIM to travel, how to install an eSIM for travel, and why KnowRoaming is widely regarded as the best eSIM for international travel.

If you want one solution that works across borders, the easiest place to start is with a Global eSIM that connects you in over 130 countries.

What Is an eSIM and Why Travelers Use It

An eSIM is a digital SIM that installs directly onto your phone. There is no physical SIM card to insert, remove, or lose. Once installed, an eSIM connects you to local networks in your destination country.

For travelers, this means no airport SIM queues, no language barriers at phone shops, and no surprise roaming charges. You can install your eSIM before departure and activate it as soon as you land.

Using an eSIM is one of the most effective ways to avoid roaming charges when you travel, especially when moving between multiple countries.

How to Buy an eSIM to Travel

The first step is choosing the right provider and plan for your trip. Travelers can choose between country specific plans, regional plans, or a global plan that works across multiple destinations.

If your trip includes more than one country, the simplest option is to buy a Global eSIM, which works in over 130 destinations worldwide. This avoids the need to buy multiple eSIMs or top up between borders.

If you are traveling within a specific region, KnowRoaming also offers regional plans like Europe and Asia. You can browse all eSIMs covering over 200 destinations and choose the plan that best fits your itinerary.

Why KnowRoaming Is the Best eSIM for International Travel

KnowRoaming has been helping travelers stay connected for more than 15 years. Long before eSIMs became mainstream, KnowRoaming pioneered innovative connectivity solutions and continues to lead the market today.

Unlike many newer providers, KnowRoaming combines affordability, transparency, and global reach. This is why KnowRoaming is consistently recommended as the best eSIM for travel by frequent travelers, digital nomads, and major publications.

KnowRoaming offers both fixed data plans and unlimited plans. Fixed plans are ideal for travelers who want predictable data usage at the lowest cost. Unlimited plans provide 2 GB of high speed data every 24 hours, resetting daily, followed by reduced speeds so you remain connected for the duration of your trip. This fair usage policy is clearly communicated, with no hidden restrictions.

How to Install an eSIM for Travel

Installing an eSIM is quick and simple. You need a stable internet connection to complete installation, which is why it is recommended to install your eSIM before departure and activate it once you arrive.

KnowRoaming offers three installation methods: automatic installation through the app, QR code installation, and manual setup. Most travelers complete installation in just a few minutes.

How to Install an eSIM on iPhone

To install an eSIM on iPhone, download the KnowRoaming app and open My eSIMs. Select eSIM not installed and choose Auto Install. Tap Allow and wait for the eSIM to install.

If you prefer QR code installation, save the QR code from the app, open your camera, scan the code, and tap Add eSIM.

For manual setup, go to Settings, Mobile Service, Add eSIM, then enter the SM-DP+ address and activation code provided.

Once installed, toggle the eSIM on, set Mobile Data to the eSIM, and ensure Data Roaming is enabled. If you experience connectivity issues, updating the APN to globaldata usually resolves the issue.

How to Install an eSIM on Android

On Android devices, open the KnowRoaming app and go to My eSIMs. Select eSIM not installed and choose Auto Install.

Tap Install eSIM and wait for confirmation.

For QR code installation, save the QR code from the app and go to Settings, Connections, SIM Manager, Add eSIM, then scan the code.

For manual setup, enter the activation code under Enter Activation Code.

After installation, activate the eSIM, set Mobile Data to it, and enable Data Roaming. If needed, update the APN to globaldata.

Best eSIM for Multi Country Travel

Travelers visiting multiple countries need an eSIM that works seamlessly across borders.

The best eSIM for multi country travel is the Global eSIM, which connects in over 130 destinations without changing plans. It is ideal for round the world trips, long holidays, and frequent travelers.

For travelers staying within Europe, the Europe eSIM provides coverage across multiple countries without SIM swaps. Those exploring Asia can choose an Asia regional eSIM for consistent connectivity across popular destinations.

For African travel, KnowRoaming also offers regional Africa coverage, making it easy to stay connected while crossing borders.

Airalo or Holafly or KnowRoaming eSIMs for Travel?

Many travelers compare Airalo and Holafly and KnowRoaming eSIMs for travel. While both offer digital connectivity, KnowRoaming stands out with broader coverage, clearer unlimited data policies, and stronger global plans.

For a detailed comparison, you can explore the full breakdown in the best eSIM for international travel comparison.

KnowRoaming eSIM Reviews

KnowRoaming is trusted by travelers worldwide. You can read verified customer experiences on Reviews and Trustpilot.

KnowRoaming has also been reviewed and featured by major publications such as PCMag, TechRadar, The Points Guy, and Forbes, as well as travel and tech outlets including News24, BetaNews, eSIMDB, eSIMGeek, and Digital Nomads World.

These independent reviews reinforce KnowRoaming’s reputation as a reliable and affordable eSIM provider for international travel.

App and Support for Travelers

Managing your eSIM is simple with the KnowRoaming app, available on both iOS and Android. You can download it from the App Store or the Google Play Store.

If you need assistance at any point, help is available 24/7 through the online Support center or via WhatsApp Support.

Is KnowRoaming the Best eSIM for Travel?

For travelers looking to avoid roaming charges, simplify connectivity, and stay online across borders, KnowRoaming consistently stands out.

With global coverage, flexible plans, easy installation, and round the clock support, KnowRoaming delivers one of the most complete eSIM solutions available today.

If you are planning your next trip and want a reliable way to stay connected, buying and installing an eSIM from KnowRoaming is one of the smartest travel decisions you can make.