Complete Guide to Installing eSIM on Galaxy S20+ and S20+ 5G

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Written by James Peterson
Jun 05, 2026 3-min read

eSIM technology is quickly becoming a standard feature in modern smartphones. By allowing users to configure mobile connectivity digitally, it removes the need for traditional SIM cards and simplifies the setup process.

This not only saves time but also makes switching between networks more convenient.

The Galaxy S20+ and S20+ 5G support eSIM, and with the right steps, you can complete the installation smoothly.

This guide will walk you through how to install an iRoamly eSIM and get your device connected without unnecessary complexity.

Preparations Before Setting Up iRomly eSIM

Before starting the installation process, make sure you have the following ready:

  • A stable internet connection (Wi-Fi is recommended)

  • A valid eSIM QR code or activation code provided by your carrier

  • Your Galaxy S20+ or Galaxy S20+ 5G powered on and unlocked

  • The device updated to the latest available One UI version for better eSIM compatibility

  • The carrier account activated and eligible for eSIM service

Method 1: Install eSIM on Galaxy S20 Using a QR Code

Step 1: Open the SIM Card Manager

  • Open the Settings app.

Settings 20 Plus

  • Tap Connections.

Connections S20 Plus

  • Tap SIM card manager.

SIM Card Manager S20 Plus

Step 2: Open eSIM Installation

  • Tap Add mobile plan.

Add Mobile Plan S20 Plus

  • The Galaxy S20+ may briefly display Searching for plan... before showing the available setup options.

Step 3: Choose QR Code Activation

  • Tap Add using QR code.

Add Using QR Code S20 Plus

  • The camera scanner will open automatically.

Step 4: Scan the Carrier QR Code

  • Hold the Galaxy S20+ over the QR code provided by your carrier.

  • Keep the QR code inside the camera frame.

Place the QR Code S20 Plus

  • Wait for the phone to recognize the QR code.

Step 5: Download the eSIM Profile

  • When the carrier profile appears, tap Add.

  • Wait while the Galaxy S20+ downloads and installs the eSIM profile.

  • Do not close the setup screen during installation.

Step 6: Complete the Installation

  • After the installation finishes, tap Done.

The eSIM profile should now appear in the SIM card manager section.

Method 2: Install eSIM on Galaxy S20 Using an Activation Code

Step 1: Open the SIM Card Manager

  • Open Settings.

Settings 20 Plus

  • Tap Connections.

Connections S20 Plus

  • Tap SIM card manager.

SIM Card Manager S20 Plus

Step 2: Open eSIM Installation

  • Tap Add mobile plan.

Add Mobile Plan S20 Plus

Step 3: Select Manual Activation

  • Tap Add using activation code.

Add Using Activation Code S20 Plus

Step 4: Enter the Activation Code

  • Tap the Enter activation code field.

Enter Activation Code S20 Plus

  • Type the activation code provided by your carrier.

  • Tap Connect.

Step 5: Download and Activate the eSIM

  • Wait while the Galaxy S20+ downloads the eSIM profile.

  • Do not exit the setup screen during activation.

  • After the installation completes, tap Done.

The eSIM should now be active on the Galaxy S20+.

How to Confirm the eSIM Was Installed Successfully

Check the SIM Card Manager

  • Open Settings.

Settings 20 Plus

  • Tap Connections.

Connections S20 Plus

  • Tap SIM card manager.

SIM Card Manager S20 Plus

The newly installed eSIM should appear under the eSIMs section.

Check the Mobile Signal

Look at the top-right corner of the screen.

You should see:

  • Signal bars

  • 4G, LTE, or 5G network indicator

Conclusion

After installation, your device should be fully connected using eSIM, offering greater flexibility in how you manage your mobile network. This approach minimizes manual steps and provides a more intuitive way to control your connectivity.

If you need to make changes in the future, everything can be done directly within your device settings, making ongoing management simple and efficient.