If you need official PKG files for legitimate reasons, consider these safer methods:
If you are exploring PS3 homebrew, remember to check for the most up-to-date alternatives to PSNDL, such as PKGi or NPS, to ensure you have the most reliable download links.
Some users apply system updates or game patches manually using USB drives. psndl.net packages
To use packages downloaded from PSNDL, your PS3 must be able to run unsigned code. This is usually accomplished through:
Reprovisioning and incident response
To use these packages, your console must have or PS3HEN installed. yne/psndl: PlayStation Network pkgs - GitHub
Build and artifact generation
Each PKG is and encrypted with console-specific keys. Without proper decryption (requiring a console with matching keys or CFW/HEN), the package is unusable.
I can provide specific, actionable steps tailored to your exact setup. Share public link If you need official PKG files for legitimate
Copy the .pkg file to the root of a FAT32-formatted USB drive. Insert the drive into the PS3. Go to the "Package Manager" in the XMB menu. Select "Install Package Files" -> "Standard." Install the game/DLC.