hi try download my cfw 4.84 install 4.86 hfw after to find ps3hen auto installer go to google and type "exploit ps3hen" in to it and find the scound page with (PS3HEN auto INSTALL) reboot the ps3 to load ps3hen then install .pkg files for 4.86 hfw and it will work.i don't know if the download is still working
https://ufile.io/wttc1o4p PS3UPDATDICSPLAYER4.84CFW1.7z you can install all the way up to 4.84 ofw.