How to activate Celitech eSIM on iPhone

You can add Celitech’s Cellular Data eSIM on any eSIM-enabled iPhone (incl. XR, XS, 11, SE, 12, 13) using the following 8 steps:

Setup eSIM on iPhone 1

1. Open the camera app on your iPhone, scan the eSIM QR code, and tap “ Cellular Plan Detected”.
If your camera app didn’t detect the eSIM QR code, make sure "Scan QR Codes" is "On" in “Settings → Camera”.

Setup eSIM on iPhone 2

2. Tap “Continue”. It may take up to 20 seconds to proceed.

Setup eSIM on iPhone 3

3. Tap “Add Cellular Plan”.

Setup eSIM on iPhone 4

4. By default, your current SIM will be labeled/named as “Primary” and your new eSIM as “Secondary”.
If you wish to change the label of your eSIM, you may tap on “Secondary” and change it to your liking, then tap on “Done” on the top left afterwards. Tap “Continue” to proceed.

Setup eSIM on iPhone 5

5. Select “Primary” as Default Line for Voice and SMS, then tap “Continue”.


6. Tap “Continue”.

Setup eSIM on iPhone 7

7. Select “Secondary” for Cellular Data. Tap “Continue”.
N.B. If you activate “Allow Cellular Data Switching”, your iPhone's cellular data will switch between your Primary and Secondary plans depending on coverage and availability.

Setup eSIM on iPhone 8

8. After your eSIM setup is complete, make sure that your eSIM “Data Roaming” is turned ON by going to “Settings → Cellular → Secondary” then activate Data Roaming.

Setup eSIM on iPhone 9

9. Now your eSIM setup is complete!

For further help you may check our “Frequently Asked Questions”.


Celitech eSIM platform helps any online business or app to offer cellular data eSIM and better engage with mobile customers. Reach out today to book a live API demo.