Always keep a backup of your current firmware’s .PUP and verify checksums before updating – especially when using custom firmware.
A: Yes, but you may lose homebrew access. To safely return to OFW, install official firmware via the same USB method. 8. Summary | Action | File Type | Folder Structure | PS3 Mode | |--------|-----------|------------------|-----------| | Official update | OFW .PUP | PS3/UPDATE/PS3UPDAT.PUP | Normal / Safe | | Install CFW | CFW .PUP | Same as above | Normal (if compatible) | | Recovery/reinstall | OFW or CFW | Same as above | Safe Mode only |
A: Yes, but it downloads a PS3UPDAT.PUP to internal storage. The USB method is for manual or offline updates.
A: Only if it’s a genuine PS3 update file. Other .PUP files (e.g., PS4/PS5 updates) will not work.