When I open the book on my iPhone, it says “cannot open book, it is formatted incorrectly, or it is not format that apple books can open.”
but it was working just fine.. it sort of glitched suddenly..
how can I fix this?
iPhone 11 Pro Max, iOS 15
Probably. Try a force restart Force restart iPhone – Apple Support (AU)
If that doesn’t help, offload the app and download it (offloading retains all documents and data).
Won’t that delete my highlights and notes too?
It got fixed when I restarted my iPhone. Thank you :)
Delete it and redownload.
Apple books format problem
