After you've saved your check-in summary to your device you may need to retrieve it to show staff or security at the venue for re-entry.
For iPhone users, the files are saved onto your phone under the 'files' folder. To retrieve follow these steps:
Search for the 'Files' app on your iPhone
Click the downloads folder -> open the image file - it will have a series of numbers as the file name as per the screenshot below
Please note on some devices when using Google Chrome as your browser the file may save to a different folder called 'Chrome', if you have trouble opening this file please screenshot the success screen instead of clicking save to device and use your camera roll to find the image.