Stay Connected Abroad: A Guide to Using eSIMs and Local SIM Cards for International Travel in 2024

This is part of the Been There, Done That series, where our expert globetrotters travel the world to get the insights and information you need for a seamless travel experience.

Traveling abroad is exciting, but staying connected is crucial. A reliable cell connection ensures access to maps, taxis, reservations, and communication via apps like WhatsApp.

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Inserting a new SIM card at the airport. | Source: iStock

However, international plans from home providers often don't work outside North America. You must purchase a local SIM card for your destination to stay connected.

Before you go: Unlock your phone

Before switching to a local SIM card, ensure your phone is "unlocked." An unlocked phone can connect to other networks, allowing you to use a local SIM card.

If your phone was purchased from your home cell company, they may have locked it to their network.

Fortunately, unlocking your phone is usually straightforward. Simply contact your phone provider or visit a store, and they should be able to unlock your phone for free.

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Getting connected

Regarding getting connected for your trip abroad, there are two main options.

1. An eSIM

An eSIM is an excellent option for staying connected while traveling abroad, especially if your phone supports this technology.

An eSIM is essentially a digital SIM card that allows you to access local cell networks without needing a physical SIM card.

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You can obtain an eSIM from various apps like Airalo, Holafly, and Ubigi, or you can purchase one directly from the local telecommunications company in the country you're visiting.

Purchasing an eSIM online is often the easiest and most cost-effective way to ensure you have a connection as soon as you land.

To set up your home phone number on an eSIM and manage multiple SIMs, you can contact your carrier to move your phone number from your physical SIM to an eSIM using eSIM Carrier Activation or scanning a QR code. Follow these steps:

Tap Convert Cellular Plan.
Tap Convert to eSIM.
Wait for your eSIM to activate.

If you need assistance with this process, you can contact your home provider or visit a physical store before your trip to ensure you're set up and ready for your upcoming travels.

2. Purchase a SIM card when you land

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Travelers purchase a SIM card at the airport in Kuala Lumpur, Malaysia. | Source: iVisa

Another option for staying connected while traveling abroad is to purchase a local SIM card at the international airport upon arrival. Most major airports worldwide offer this service, allowing travelers to access local cell networks during their trips.

iVisa pro-tip: Double-check that the airport you're flying into has SIM card providers available upon landing. Not all airports offer this service.

When purchasing a SIM card, the provider typically sets up your network. They may ask for your passport, so have it readily available. You will receive your physical SIM card back, which you should store in a safe and secure place.

It is crucial not to lose this card, as it represents your home network's phone number. If you misplace it and don't have an eSIM for your phone number, you may risk losing your home phone number and having to obtain a new one from your provider.

Before leaving the shop where you purchased your SIM card, ensure your phone works and you have a connection. Additionally, it is a good idea to take a photo of the card that holds your SIM card. This will serve as a record of your local phone number, which may be necessary for making reservations or in case of emergencies.

iVisa pro-tip: If you lose connection from your local SIM, try turning your phone's airplane mode on and off. This often restores the connection.*

A local SIM card is an effective way to stay connected during your trip and make the most of your international travel experience.

Quick Comparison: Roaming, eSIM, or getting a new SIM

Roaming with your SIM

Pros:

Convenience: No need to change SIM cards.
Retain your number: Friends and family can reach you on your usual number.
Automatic setup: No extra steps, just turn on your phone.

Cons:

High costs: Roaming charges can be expensive.
Limited coverage: May not work in all regions or countries.
Potential for hidden fees: Unexpected charges can arise.

Using an eSIM

Pros:

Flexibility: Easily switch between carriers and plans without a physical SIM.
Dual SIM capability: Use your primary number and a local plan simultaneously.
Immediate activation: Quick setup and activation.

Cons:

Compatibility: Not all devices support eSIM.
Limited carrier options: Fewer carriers offer eSIM plans.
Technical issues: Potential for setup and configuration issues.

Getting a new SIM

Pros:

Cost-Effective: Often the cheapest option for local rates.
Local Number: Useful for local contacts and services.
Wide Availability: Easily purchasable at airports, stores, or online.

Cons:

Hassle of Switching: Physically changing SIM cards and managing contacts.
Losing Primary Number: Temporarily lose access to your regular number.
Language Barriers: May face challenges purchasing and setting up in a foreign country.

Each option has advantages and drawbacks, so the best choice depends on your specific needs and travel plans. Consider factors like cost, convenience, and device compatibility when deciding how to stay connected while traveling.

In conclusion, whichever method you choose to stay connected during your trip, maintaining a reliable cell connection is essential for a smooth and enjoyable travel experience.