How to Install eSIM on iPhone Air: Step-by-Step Guide

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Written by James Peterson
Apr 27, 2026 4-min read

Imagine turning on your iPhone Air in a new destination and getting online within minutes—no searching for SIM cards, no waiting in line, and no swapping anything out.

That’s the convenience of using an iRoamly eSIM. With just a few quick setup steps, you can activate your data plan directly on your device and stay connected right away.

This guide will walk you through the installation process step by step, helping your iPhone Air connect quickly and without 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 Air 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.

Settings 17 Air

  • Scroll down and tap Cellular (On some devices, this may appear as Mobile Service or Mobile Data).

Cellular 17 Air

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.

Add eSIM 17 Air

  • On the next screen, tap Use QR Code

Use QR Code 17 Air

Step 3: Scan the QR Code

  • Tap Scan QR Code

Scan the QR Code 17 Air

  • The camera viewfinder will open automatically.

  • Hold your iPhone over the QR code provided by your carrier.

  • Ensure the QR code is centered within the frame.

Place the QR Code Here 17 Air

  • Wait for the phone to recognize the code.

Step 4: Confirm Activation

  • When prompted, tap Continue

Continue 17 Air

  • Tap Add Cellular Plan

Step 5: Configure Cellular Settings

  • Select a label for the plan (e.g., Primary, Secondary, or custom)

  • Tap Continue

Choose how the line will be used:

  • Default line for calls and messages

  • Default line for cellular data

  • Tap Done

Method 2: Install eSIM via Manual Input

Step 1: Open Cellular Settings

  • Tap Settings

Settings 17 Air

  • Scroll down and tap Cellular (On some devices, this may appear as Mobile Service or Mobile Data)

Cellular 17 Air

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

Add eSIM 17 Air

  • Tap Use QR Code

Use QR Code 17 Air

Step 3: Switch to Manual Entry

  • On the QR scanning screen, tap Enter Details Manually (at the bottom)

Enter Details Manually 17 Air

Step 4: Enter Activation Information

  • Tap the field labeled SM-DP+ Address

  • Enter the SM-DP+ address provided by your carrier

SM-DP Address 17 Air

  • Enter the Activation Code

  • Tap Next

Next 17 Air

Step 5: Confirm Installation

  • Tap Add Cellular Plan

  • Wait while the iPhone activates the eSIM

Step 6: Configure Cellular Settings

  • Select a label (e.g., Primary, Secondary, Travel)

  • Tap Continue

Set:

  • Default line for calls

  • Default line for data

  • Tap Done

How to Confirm Successful eSIM Installation

After completing either method, verify installation as follows:

Step 1: Check Cellular Plans

  • Open Settings

Settings 17 Air

  • Scroll down and tap Cellular (On some devices, this may appear as Mobile Service or Mobile Data)

Cellular 17 Air

Step 2: Verify eSIM Presence

Under SIMs or Cellular Plans, confirm your new plan appears

Tap the plan to ensure:

  • Status shows On

  • Carrier name is visible

Step 3: Check Signal and Connectivity

Look at the top-right of the screen:

  • Signal bars should appear for the new line

Test functionality:

  • Make a call

  • Enable cellular data

Final Notes

  • If activation fails, ensure your internet connection is stable.

  • Double-check that the QR code or activation details are correct.

  • Some carriers require account authentication before activation.

Conclusion

Once you’ve completed all the steps, your iRoamly eSIM should be fully functional on your iPhone Air.

If you encounter any issues during the process, checking your activation details and network connection will usually resolve them.

After successful activation, your iPhone Air will provide a fast, stable, and convenient mobile data experience, making it easier to stay connected wherever you go.