Where can I download packages for version 3.20? It's seem that I can not upgrade or install newer version of packages(3.25) on 3.20.

Same problem here. I'm trying to upgrade from 3.20 to 3.25 by uploading .npk files to the FTP server then rebooting.

Same problem here. I'm trying to upgrade from 3.20 to 3.25 by uploading .npk files to the FTP server then rebooting.

Could you give me link.. to npk file to upgrade the version...

for upgrading to v3.25? here http://www.mikrotik.com/download.html