Originally Posted by Billi
I think you are right with your question: with firmware 15.3 Pocketbook deleted the pdfviewer.
Oh! What caused them to remove it!? It's better that Adobe. Maybe they wanted to "debloat" firmware.
Anyways, I just successfully downgraded my firmware to 15.2 from firmware available at:
I can use pdfviewer now. pdfviewer crops margins nicely when Fit Page Width option in chosen in zoom. Adobe viewer can't do so successfully. It feels a little faster also.
Also, if someone comes across ".app" for it, please post here on MR for others.