If you're looking for a simpler way to connect to mobile networks, eSIM is a great option to consider.
There’s no need to insert a card or use additional tools—just a few steps in your phone settings are enough to get started.
On iPhone 12, the process is designed to be intuitive and quick, even for first-time users.
Below, we’ll walk you through how to install and set up your iRoamly eSIM so you can get connected without unnecessary hassle.
Preparations Before Setting Up iRomly eSIM
Before starting, ensure you have the following:
A stable internet connection (Wi-Fi or cellular)
A valid eSIM QR code or manual activation details (SM-DP+ address and activation code) provided by your carrier
Your iPhone 12 powered on and unlocked
The device updated to the latest iOS version (recommended for compatibility)
Method 1: Install eSIM via QR Code Scanning
Step 1: Open Settings
Tap Settings on the Home Screen

Step 2: Navigate to Cellular Settings
Scroll down and tap Cellular (On some devices, this may appear as “Mobile Service” or “Mobile Data”)

Step 3: Add a New Cellular Plan
Tap Set Up Cellular if no cellular plan is installed, or tap Add Cellular Plan to add a new line

Step 4: Select QR Code Option
Tap Use QR Code

Step 5: Scan the QR Code
Point your iPhone camera at the carrier-provided QR code

Wait until the QR code is recognized automatically
Step 6: Confirm Plan Addition
Tap Add Cellular Plan when prompted
Step 7: Label the eSIM Line
Choose a label (e.g., Primary, Secondary, Business, etc.)
Tap Continue
Step 8: Configure Default Line Settings
Select your preferred default line for:
Voice calls
iMessage & FaceTime
Mobile data
Tap Continue after each selection
Method 2: Install eSIM via Manual Input
Step 1: Open Settings
Tap Settings

Step 2: Go to Cellular Settings
Scroll down and tap Cellular (On some devices, this may appear as “Mobile Service” or “Mobile Data”)

Step 3: Add Cellular Plan
Tap Set Up Cellular if no cellular plan is installed, or tap Add Cellular Plan to add a new line

Step 4: Select Manual Entry Option
Tap Enter Details Manually at the bottom of the screen

Step 5: Input Activation Information
Enter the following exactly as provided by your carrier:
SM-DP+ Address

Activation Code
Tap Next (top-right corner)

Step 6: Download and Activate eSIM
Wait while the iPhone connects to the carrier server
Tap Add Cellular Plan when prompted
Step 7: Label the eSIM Line
Select a label (e.g., Primary, Secondary, Travel)
Tap Continue
Step 8: Set Default Line Preferences
Choose defaults for calls, messaging, and data
Tap Continue after each configuration
How to Confirm Successful eSIM Installation
Step 1: Check Cellular Plans
Go to Settings > Cellular (On some devices, this may appear as “Mobile Service” or “Mobile Data”)

Confirm that a new plan appears under Cellular Plans
Step 2: Verify Signal Status
Look at the top-right corner of the screen
Ensure signal bars appear for the newly added line
Step 3: Check Line Status
Tap the new plan under Cellular Plans
Confirm that:
Turn On This Line is enabled (toggle is green)
Status shows Connected or similar
Step 4: Test Connectivity
Make a call or enable mobile data using the new line:
Go to Settings > Cellular (On some devices, this may appear as “Mobile Service” or “Mobile Data”) > Cellular Data
Select the newly added eSIM
Open a webpage to confirm data connectivity
Note: Some eSIM plans may not include voice calling support, so this feature might not be available depending on your plan.
Conclusion
By following the steps above, you should now be able to successfully install and activate your iRoamly eSIM on your iPhone 12.
The entire process is designed to be straightforward, with all configuration handled directly through your device settings—no physical SIM card or additional tools required.
This not only saves time but also reduces the chances of setup errors. With eSIM, getting connected becomes a faster and more flexible experience, allowing you to access mobile data whenever you need it without unnecessary delays.