Have you tried to hard restart the iPhone? Sometimes it is workable if you reset your settings on your iPhone. And you can also try to use some ios repair tools like TunesKit iOS System Recovery, Joyoshare,... or some others. Good luck!
Welcome!
This is the community forum for my apps Pythonista and Editorial.
For individual support questions, you can also send an email. If you have a very short question or just want to say hello — I'm @olemoritz on Twitter.
