I just made an OCR'd pdf scan of a 450 pp. Engl. language book and compressed it with Abby Fine Reader to 9 MB, removed all the pictures so that my weak kobo aura wouldn't have any trouble. However, I had frequent freezes and crashes with koreader 2019.01.1 (both in landscape mode and re-flowed text mode) - something that hasn't happened before. Any ideas? Has it something to do with the compression?
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