: Legitimate HFW is developed by the community (notably developers like Joonie ). The only trusted places to find these files are:
If you have obtained the correct .PUP file from a trusted source: Format a USB drive to . Download PS3 HFW Hybrid Firmware rar
: Usually HFW_4.91.1_PS3UPDAT.PUP (after extraction). : Legitimate HFW is developed by the community