eSIM technology offers a more flexible way to stay connected by allowing mobile plans to be downloaded directly onto a device without using physical SIM cards.
This makes activation faster and more convenient, especially when preparing for travel or switching between different mobile networks. Instead of searching for local SIM cards or manually replacing them, the setup can be completed digitally from the phone settings in only a few steps.
eSIM also helps simplify multi-line management by allowing several mobile profiles to be stored on one device at the same time.
This guide explains how to install and activate an iRoamly eSIM on the Samsung Galaxy S24+ using both QR code setup and manual activation methods.
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 S24+ 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 Using a QR Code
Step 1: Open Settings
Open the Settings app.
Step 2: Open SIM Manager
In Settings, tap Connections.
Tap SIM manager.
Step 3: Start eSIM Setup
Inside SIM manager, tap Add eSIM.
The phone will open the eSIM setup interface.
Step 4: Select QR Code Installation
Tap Scan QR code.
The camera scanner will open automatically.
Step 5: Scan the Carrier QR Code
Hold the phone over the QR code provided by the carrier.
Position the QR code inside the on-screen scanning frame.
Wait for the phone to recognize the eSIM profile.
Once detected, carrier information will appear on the screen.
Step 6: Download the eSIM Profile
Tap Add when prompted.
Wait while the Galaxy S24+ downloads the eSIM configuration.
Important:
Keep the internet connection active
Do not close Settings
Do not restart the device during installation
Step 7: Enable the eSIM
After installation completes:
Return to SIM manager if necessary.
Locate the newly installed eSIM.
Tap the switch beside the eSIM to turn it on.
Step 8: Configure Preferred SIM Options
If multiple SIMs are installed:
In SIM manager, select:
Calls
Messages
Mobile data
Choose the newly installed eSIM for each preferred function.
Method 2: Install eSIM Using Manual Activation
Step 1: Open Settings
Open Settings.
Step 2: Open SIM Manager
Tap Connections.
Tap SIM manager.
Step 3: Begin eSIM Installation
Tap Add eSIM.
Step 4: Open the Manual Activation Screen
Tap Scan QR code.
On the QR scanner page, tap Enter activation code.
The manual activation page will appear.
Step 5: Enter the Activation Information
On the “Enter activation code” screen:
Type the activation details exactly as provided by the carrier
Step 6: Confirm the Activation Code
Tap Done on the Samsung keyboard.
Tap Connect.
The phone will contact the carrier server and begin downloading the eSIM profile.
Step 7: Wait for Installation to Complete
The Galaxy S24+ will install the eSIM automatically.
During this process:
Keep Wi-Fi enabled
Do not leave the setup screen
Do not power off the device
Step 8: Enable the Installed eSIM
After installation finishes:
Open: Settings → Connections → SIM manager
Locate the new eSIM profile.
Turn on the toggle switch beside the eSIM.
Step 9: Configure SIM Preferences
If using multiple SIM profiles:
Under SIM manager, select:
Primary SIM
Calls
Messages
Mobile data
Choose the new eSIM where appropriate.
How to Confirm the eSIM Was Installed Successfully
Check 1: Verify the eSIM Appears in SIM Manager
Open Settings
Tap Connections
Tap SIM manager
A successfully installed eSIM should display:
Carrier name
Active toggle switch
Signal indicator
Check 2: Confirm Network Signal
Look at the top-right status bar of the phone.
You should see:
Signal bars
LTE, 4G, or 5G indicator
Check 3: Test Mobile Data
Turn off Wi-Fi.
Open a web browser.
Visit a website.
If the page loads, the eSIM data connection is working properly.
Check 4: Test Calls and Messages
Open the Phone app.
Make a test call.
Open the Messages app.
Send a test SMS message.
Note: Some eSIM plans may not include voice calling support, so this feature might not be available depending on your plan.
Successful calling and messaging confirm full activation.
Concluison
After setup is complete, the iRoamly eSIM should automatically register with a supported carrier network and display signal bars in the status area of the device. The newly installed profile will also appear inside SIM Manager, where mobile data and other SIM preferences can be adjusted if needed.
Because the eSIM is installed digitally, there’s no need for additional SIM handling after activation. Once mobile data is working properly and the connection remains stable, the installation process is fully finished and the device is ready for normal use.