Hi there!
I borrowed few scanned books from Archive.org in pdf formats. It's impossible for me to read these on my Likebook Mars. The files work fine on my computer, but on the e-ink reader it's just a headache

:
For example one pdf is 35mb big, and it needs one and half minute to open, and if I want to jump to a specific page I do need to wait another minute to be able to read it. The same happens with other apps like Koreader etc. than the standard Boyue OS one.
The battery with wifi and bluetooth off is also draining pretty fast, when I try to read these pdfs.
Do you experience similar issues?
Thanks for your feedback!