How do I install an eSIM on my phone?

Do you dream of connecting your phone to the Internet in the blink of an eye, without struggling with a tiny nano-SIM card? That's what eSIM is for! Forget about the hassle of physically inserting a SIM card...

In this comprehensive guide, we show you step by step how to install an eSIM on an iPhone or Android device. And if you're traveling soon, find out how to activate your Voilà eSIM in just three clicks. Ready? Let's go!

Rony

October 29, 2025

5 min read

⚡ Spoiler alert :

Installing an eSIM takes just a few clicks. But if you want to master the process on iPhone, Android, or Voilà, read on: you'll find all the steps you need for a stress-free connection.

A woman who is well connected to the internet with her phone

How do I install an eSIM on an iPhone?

On iPhone, it's super easy. Apple has made the process seamless for years. Follow these steps, and in less than 5 minutes, you'll be connected!

Step 1: Check the compatibility of your iPhone

Ensure that your iPhone supports eSIM technology. All models from iPhone XS, XR, or later are compatible. Also, verify that your device is unlocked and that your carrier offers the eSIM feature.

Step 2: Connect to a Wi-Fi network

Before installing the eSIM, connect your iPhone to the Internet (Wi-Fi or mobile data) to allow the eSIM profile to download.

Step 3: Open the iPhone settings

Go to Settings → Cellular Data (or Cellular) → Add a Cellular Plan.

Step 4: Scan the QR code

Scan the QR code provided by your carrier or eSIM provider. You can also choose "Enter details manually" if you have received an activation code (SM-DP+ and activation code).

Step 5: Activate your plan

Once the profile has been downloaded, follow the on-screen instructions to activate the eSIM line. You can then set this line as your primary or secondary line and choose options for mobile data and calls.

Tip: Make sure you have a stable Wi-Fi connection to avoid interruptions.

Please note: Ensure your iPhone is up to date for optimal compatibility.

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How do I install an eSIM on Android?

Android varies slightly depending on the brand, but the process remains intuitive. Whether you have a Samsung, Pixel, or Xiaomi, we'll guide you step by step. Take a deep breath—it's easy!

Step 1: Check the compatibility of your smartphone

All recent models of Samsung Galaxy, Google Pixel, Oppo, Huawei, and Xiaomi support eSIM. Check in the settings or on the manufacturer's website.

Step 2: Connect to the Internet

As with the iPhone, a stable Wi-Fi connection is required to download the eSIM.

Step 3: Access the SIM card settings

Open Settings → Network & Internet → SIM card/SIM card manager → Add mobile plan (the name may vary depending on the brand).

Step 4: Scan the QR code

Select "Add an eSIM" then "Scan a QR code." Scan the code provided by your carrier or import the details manually (SM-DP+ address and activation code).

Step 5: Activate your eSIM

Once the profile has been downloaded, confirm the installation. You can then:

Give your line a name (e.g., "travel eSIM").
Select the primary SIM card for data or calls,
Enable or disable data roaming according to your needs.

👉 If you're traveling, activate data roaming for a seamless connection. At Voilà, it's included with no hidden fees!

Activate your eSIM easily with eSIM voilà

At Voilà, we've simplified things as much as possible. No paperwork, just practicalities. Imagine: you receive your QR code by email, you scan it, and hey presto, you're connected anywhere in the world. 👉 Ready to try it out?

Step 1: Connect to the Internet

First and foremost, ensure you have a stable Wi-Fi connection or active mobile data to enable the eSIM profile to download.

Step 2: Install your eSIM on your device

Scan the QR code you received by email or manually enter the activation information in your phone settings to add the Voilà eSIM plan.

Step 3: Turn on data roaming

Once the card is installed, simply enable data roaming in your mobile settings... and that's it! Your eSIM is now ready to use!

Activation in 3 minutes flat

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No more roaming fees

Travel abroad with confidence: no more roaming fees, connection struggles, or unexpected top-ups. With a travel-friendly eSIM, stay connected everywhere, stress-free and surprise-free.

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FAQ: Everything you need to know about eSIM installation

How can you tell if your phone is compatible?

Instantly check if your device supports eSIM technology.

Rony

Rony is our in-house travel-connected expert. Always curious and never too far from an airport, he explores the latest destinations while testing the newest eSIM solutions. He signs our articles on travel and mobile technology, with a single mission: to turn his discoveries into clear, reliable, and smart advice to accompany you anywhere in the world.

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