What is an eSIM? Guide to Embedded SIM Technology for Travel

Did you know that your phone might not need a traditional SIM card anymore? An eSIM is the digital alternative that can save you money and help dodge costly roaming fees. Discover how eSIMs work and why they’re a must-have for hassle-free travel, allowing you to stay connected without the burden of extra charges. Let us explain what makes them so advantageous!

An eSIM, short for embedded SIM (subscriber identity module), functions like a traditional SIM card but is embedded directly into your device. This digital alternative is integrated into smartphones, tablets, smartwatches, and even some vehicles! eSIMs let you easily switch between multiple carriers and maintain two phone numbers simultaneously, making them ideal for managing different plans or travel needs without the hassle of changing physical cards.

HOW DOES AN ESIM WORK?

An eSIM utilizes an embedded chip and built-in software on your device to perform the same functions as a traditional SIM card: connecting to a network, enabling calls, and providing mobile data. To activate an eSIM, simply purchase a data plan online and load it onto your device. Skip the inconvenience of swapping physical SIM cards—eSIMs are remotely programmed, offering a streamlined setup process.

How to set up an eSIM

Purchase a Plan

Choose an eSIM-compatible data plan from your carrier or an online provider. You'll receive a QR code or download instructions.

Set Up Your eSIM via QR Code

Go to your device's settings and find the "Add eSIM" option. Scan the QR code or follow the provided download link to install the eSIM profile.

Activate your eSIM, GO!

Select the new profile in your device settings and activate it. Your eSIM is now ready for calls, texts, and data.

eSIM vs Physical SIM, What is the difference?

Physical SIM

Location : A removable plastic card
Operator profiles : 1
Delivery : Store or Delivered via post.
Activation : By inserting the SIM card into the device's SIM slot.
Switch carriers : Require swapping plastic SIM cards.
Travel-friendly : ❌

eSIM

Location : A chip soldered on device's motherboards.
Operator profiles : 1-20
Delivery : Instant Delivery
Activation : By downloading an activating the eSIM profile online.
Switch carriers : Only a few taps to switch
Travel-friendly : ✅

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Why use an eSIM?

Convenience

With a built-in eSIM, you can activate or switch between plans remotely without needing to change physical SIM cards.

Cheaper Price

eSIM plans are often more affordable than traditional roaming options, providing significant savings, especially when traveling.

Travel-Friendly

Avoid roaming fees by purchasing local eSIM data plans when traveling, ensuring seamless connectivity wherever you go.

Popular Destinations

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Europe + UK 5G eSIM Package

From $5.00; From $5.00
Unit price: per

Italy 4G/5G eSIM Plans

From $5.00; From $5.00
Unit price: per

Germany 4G/5G eSIM Plans

From $5.00; From $5.00
Unit price: per

France 4G/5G eSIM Plans for Seamless Travel

From $5.00; From $5.00
Unit price: per

United Kingdom 4G/5G eSIM Plans

From $5.00; From $5.00
Unit price: per

Albania eSIM Plans

From $9.00; From $9.00
Unit price: per

Spain 4G/5G eSIM Plans

From $5.00; From $5.00
Unit price: per

Serbia eSIM Plans

From $4.00; From $4.00
Unit price: per

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FAQs

I want to know about eSIM

An eSIM, short for "embedded SIM," is not a physical card but a digital SIM that can be downloaded directly to a smartphone or tablet. This innovative technology offers a convenient way to access local data services without incurring roaming fees, revolutionizing how we stay connected while traveling.

Traditionally, mobile users relied on physical SIM cards, which come in various sizes, such as Nano SIMs, to connect to different networks, especially when traveling abroad. The process involved physically swapping out SIM cards, which could be both nerve-wracking and cumbersome.

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When should I set up my eSIM?

Using an eSIM for data on vacation? Great! You're going to love staying connected without roaming charges.

Since you'll need a solid Wi-Fi (or data) connection to complete the eSIM installation process, we recommend installing your eSIM on your device 1-2 days prior to leaving on your trip. Then you can make sure it gets installed properly, without any connection glitches.

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Is my phone “unlocked” and able to use eSIMs?

Only unlocked phones are compatible with eSIMs. You should make sure that your phone is unlocked before buying an eSIM from the Roamight store.

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Will I get a local phone number with an eSIM?

Our eSIM plans do not include a local phone number, but don't worry!

After activating a Roamight eSIM, you can continue using your phone number to send and receive calls and text messages (SMS). Your new eSIM plan will be used for data only, saving you expensive roaming fees.

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How to Enable Calling and Texting on your eSIM

VoIP Calling and Texting

You can make and receive calls using your regular phone number if your carrier supports Wi-Fi Calling. If this feature is enabled on your device, your phone will connect to your home carrier's network over the internet using the eSIM data connection. (VoIP).

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Should I turn off my primary cellular plan while using my eSIM plan?

If you have a Primary SIM, roaming on that should be "OFF" while you're using Roamight eSIM.

HOW TO TURN OFF?

Can I keep using my phone number with an eSIM?

Yes! After activating a Roamight Mobile eSIM, you can continue using your phone number to send and receive calls and text messages (SMS).

Your new eSIM plan will be used for data only, saving you expensive roaming fees.

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