That fails to explain why publisher & series info is missing from newly added books.
The information later appearing seems to be at some random time after other books are added or card swapped. A reset rarely fixes it. Re-opening the book doesn't fix it. The book info has a long fake ISBN till the publisher appears at that position later.
If it's not a firmware bug, then something is wrong somewhere. We seem to have quite different ideas about what is reasonable behaviour for software and/or gadgets, whether it's really a bug, intended or stupidity.
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