PS3 News: multiMAN 4.85 released coming with support for CFW 4.83 to 4.85 - First update to this highly popular backup manager since the release of FW 4.82! , psx place multiman - thirstymag.com
PS3 - 4.87.1 PS3 HFW (Hybrid Firmware) - HFW is helpful for installing PS3HEN on 4.84/4.85/4.86/4.87 FW | Page 96 | PSX-Place
How to get your PS3 out of 4.83-4.87 Demonstration Mode - Reverters - YouTube