iOS version: Unable to change region

After the latest patch on iOS I am unable to change region. The web form to enter email and password is always overlapping with the “Not everything travels with you!” pop-up and you can’t tap on the “Confirm” button.

Screenshot:
https://i.imgur.com/iIfh3iU.jpg

Edit: Workaround is posted here: [Main Thread] iOS - Cannot Change Region at Log In