This seems to be a new issue that's popped up recently, and we're actively investigating it. In the meantime, you can get back out of Guest Mode via the following temporary workaround:
- Visit the Guest Mode screen, and activate it for 30 minutes
- Now cancel Guest Mode
If, after trying this approach, you continue experiencing this issue, please send us a note at email@example.com, and let us know the following:
- What model iPhone you have
- What version of iOS you're running
- Did you do anything specific prior to experiencing this issue?
- Attach a screenshot of any error messages you're seeing