Originally Posted by Zaesev
Okay. I figured this out. This is how I downgraded. I deleted all the files from the prs-505 and installed the older 1.1.00.18040 which I downloaded from here
. Now everything works! I installed russian font and everything runs great!
Are you aware about http://www.the-ebook.org
site? I believe you can find all the tools you need to have the latest firmware along with support of Russian.