eSIM Help & Setup

How to Install eSIM on iPhone & Android (Step-by-Step Guide)

Jul 04, 2026 · 4 min read

How to Install eSIM on iPhone & Android (Step-by-Step Guide)

How to Install eSIM on iPhone & Android (Step-by-Step Guide)

Traveling internationally has never been easier thanks to eSIM technology. Instead of swapping physical SIM cards, you can activate your mobile plan digitally in just a few minutes.

Whether you've purchased a Mojo eSIM or you're searching for how to install Airalo eSIM, the installation process is almost identical across most eSIM providers because it uses your phone's built-in eSIM functionality.

In this guide, you'll learn:

  • How to install eSIM on iPhone
  • How to install eSIM on Android
  • How to install eSIM on Samsung
  • How to manually install eSIM
  • How to troubleshoot common eSIM issues

Before You Install Your eSIM

Before you begin, make sure you have the following:

  • An eSIM-compatible smartphone
  • An unlocked device (not carrier-locked)
  • A stable Wi-Fi connection
  • Your QR code or manual activation details

We recommend installing your eSIM before you travel while you're connected to Wi-Fi. Most travel eSIMs activate only when they connect to a supported network at your destination.

How to Install eSIM on iPhone

If you're wondering how to install eSIM on iPhone, follow these simple steps.

Step 1

Open Settings on your iPhone.

Step 2

Tap Cellular (or Mobile Data, depending on your region).

Step 3

Select Add eSIM or Add Cellular Plan.

Step 4

Choose Use QR Code.

Step 5

Scan the QR code you received after purchasing your eSIM.

Step 6

Wait for the eSIM profile to download and install.

Step 7

Assign a label such as Travel, Europe, or Japan if you'd like.

Step 8

Enable Data Roaming if required by your provider.

Your eSIM is now ready to use.

Tip: If you're searching for how to install eSIM in iPhone, how to install eSIM on iPhone, or how to install Airalo eSIM, these steps are exactly the same. Apple manages the installation process, so it works similarly regardless of the eSIM provider.

How to Install eSIM on Android

The process is similar across most Android devices, although menu names may vary slightly.

Step 1

Open Settings.

Step 2

Tap Network & Internet or Connections.

Step 3

Open SIM Manager or Mobile Network.

Step 4

Tap Add eSIM.

Step 5

Scan your QR code.

Step 6

Follow the on-screen instructions to complete the installation.

Step 7

Enable your eSIM as the preferred mobile data line if required.

Your Android device is now connected.

How to Install eSIM on Samsung

Samsung Galaxy devices support eSIM on most recent flagship models.

To install your eSIM:

  1. Open Settings
  2. Tap Connections
  3. Open SIM Manager
  4. Select Add eSIM
  5. Scan the QR code
  6. Complete the setup

Compatible Samsung devices include:

  • Galaxy S24 Series
  • Galaxy S23 Series
  • Galaxy S22 Series
  • Galaxy S21 Series
  • Galaxy Z Fold Series
  • Galaxy Z Flip Series

Manual eSIM Installation

If you're unable to scan the QR code, you can install your eSIM manually.

Simply choose Enter Details Manually during setup and enter the following information provided by your eSIM provider:

  • SM-DP+ Address
  • Activation Code

Once entered, your phone will download and install the eSIM profile.

Common eSIM Installation Problems

QR Code Won't Scan

If your QR code isn't scanning, try these solutions:

  • Increase your screen brightness.
  • Clean your phone's camera lens.
  • Restart your device.
  • Use the manual installation option.

Whether you're installing a Mojo eSIM, Airalo eSIM, or another provider's eSIM, QR code issues are usually caused by the device rather than the eSIM itself.

eSIM Shows "No Service"

If your eSIM installs successfully but doesn't connect:

  • Restart your phone.
  • Turn Airplane Mode on and off.
  • Enable Data Roaming.
  • Confirm you've arrived in the destination country.
  • Verify your plan has activated.

Cannot Add eSIM

Possible reasons include:

  • Your phone is carrier-locked.
  • Your device doesn't support eSIM.
  • You've reached the maximum number of stored eSIM profiles.

Frequently Asked Questions

Can I install my eSIM before traveling?

Yes. In fact, we recommend installing your eSIM before your trip while connected to Wi-Fi. Most travel eSIMs activate only when they connect to a supported network in your destination.

Can I use my physical SIM and eSIM together?

Yes. Most modern smartphones support Dual SIM functionality, allowing you to use your physical SIM for calls and texts while using your eSIM for mobile data.

Will installing an eSIM remove my physical SIM?

No. Installing an eSIM does not affect your physical SIM card.

Do I need Wi-Fi to install an eSIM?

Yes. A stable internet connection is required to download and install the eSIM profile.

Can I install multiple eSIMs?

Yes. Most modern smartphones can store multiple eSIM profiles, although only one or two can be active at the same time depending on your device.

Final Thoughts

Learning how to install eSIM is simple, whether you're using an iPhone, Samsung Galaxy, Google Pixel, or another Android smartphone. The entire process usually takes less than two minutes.

If you found this guide while searching for how to install Airalo eSIM, you'll notice that the installation steps are nearly identical across all major eSIM providers. What really matters when choosing an eSIM is coverage, pricing, supported networks, activation policy, and customer support.

With Mojo eSIM, you get access to 1,700+ eSIM plans across 200+ destinations, instant QR code delivery, transparent pricing, premium network coverage, and a hassle-free activation experience,so you can stay connected wherever your travels take you.

 
 

Stay Connected Anywhere with Mojo eSIM

Get Your eSIM