In the past, connecting to a mobile network required inserting and managing a small physical SIM card.
Today, eSIM technology has simplified the process significantly, allowing users to activate a plan directly on their devices in just a few steps.
If you’re using an iPhone 16 Plus and want to start using your iRoamly eSIM, this guide will walk you through everything you need to know.
Whether you prefer scanning a QR code or entering the details manually, the process is straightforward and easy to follow.
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 16 Plus powered on and unlocked
The device updated to the latest iOS version (recommended for compatibility)
Method 1: Install eSIM via QR Code
Step 1: Open Cellular Settings
Tap Settings
Scroll down and tap Mobile Service (On some devices, this may appear as “Cellular” or “Mobile Data”)
Step 2: Add eSIM
Tap Add eSIM if you already have an existing cellular plan, or tap Set Up Cellular if this is your first plan
Step 3: Choose QR Code Option
Tap Use QR Code
Step 4: Scan the QR Code
Position the QR code inside the camera frame
Wait for the phone to recognize the code automatically
Step 5: Confirm eSIM Activation
Tap Continue when prompted
Tap Add Cellular Plan
Step 6: Assign a Label to the eSIM
Choose a label (e.g., Primary, Secondary, Business, or Personal)
Tap Continue
Step 7: Set Default Line Preferences
Select default line for:
Voice calls → Tap preferred line → Tap Continue
iMessage & FaceTime → Tap preferred line → Tap Continue
Cellular Data → Select line → Tap Continue
Method 2: Install eSIM via Manual Input
Step 1: Open Cellular Settings
Tap Settings
Scroll down and tap Mobile Service (On some devices, this may appear as “Cellular” or “Mobile Data”)
Step 2: Add eSIM
Tap Add eSIM if you already have an existing cellular plan, or tap Set Up Cellular if this is your first plan
Step 3: Choose Manual Entry Option
Tap Use QR Code
On the next screen, tap Enter Details Manually
Step 4: Enter eSIM Information
Tap the SM-DP+ Address field → Enter the address provided by your carrier
Tap the Activation Code field → Enter the activation code
(Optional) Enter Confirmation Code if provided
Step 5: Submit Activation Details
Tap Next
Step 6: Confirm Installation
Tap Add Cellular Plan
Step 7: Assign Label and Preferences
Select a label → Tap Continue
Configure:
Default Voice Line → Tap choice → Tap Continue
iMessage & FaceTime Line → Tap choice → Tap Continue
Cellular Data Line → Tap choice → Tap Continue
How to Confirm eSIM Installation
After completing either method, verify successful installation:
Check Cellular Plans
Go to: Settings → Mobile Service (On some devices, this may appear as “Cellular” or “Mobile Data”)
Confirm the new eSIM appears under SIMs or Cellular Plans
Check Signal Status
Look at the status bar (top-right corner)
Ensure signal bars appear for the new line
Test Connectivity
Make a call:
Open Phone app → Keypad → Dial number → Tap Call
Test mobile data:
Turn off Wi-Fi: Settings → Wi-Fi → Toggle Off
Open Safari and load a webpage
Confirm Line is Active
Go to: Settings → Cellular (On some devices, this may appear as “Mobile Service” or “Mobile Data”) → Select the eSIM plan
Ensure Turn On This Line is enabled (toggle should be green)
Conclusion
Once everything is set up, your iPhone 16 Plus will be ready to use iRoamly eSIM for mobile data services.
The entire process is quick and straightforward when you follow the steps carefully.
From now on, managing your mobile connection will be easier and more flexible, giving you a smoother and more convenient experience overall.