Can I change my auto check-in information after I have already submitted it?

Yes, you can. The flow depends on your device.

iOS

In the flight feed, you need to cancel the check-in.

Then click on the word "Canceled".

Go through all the screens to the passenger screen. Click on the passenger you want to edit.

Edit the information and click Done / Next. Then submit the check-in again.

Android

You can cancel your check-in in the flight feed.

Tap Check-in.

Select the passenger you want to edit.

Correct the information and save it by clicking the "Next" button. Submit your check-in request.