How to automatically set a book cover as screensaver on Android-based ebook readers with KOReader

In this tutorial I show you how to set book covers automatically as screensaver using KOReader on android based e-Readers like the Onyx Boox ebook readers. I use the Onyx Boox Palma as an example in this video but it should work on all recent Onyx Boox e-Readers. I also show you one semi-auto method that works with Bigme ebook readers that running KOReader. I use a Bigme B751c in this video as an example.

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