The most reliable and safest method to play PS3 games on a PS4 is through a PS Plus Premium subscription.
Access hundreds of PS3 titles for streaming. ps3 to ps4 pkg install
Use your PS4’s web browser to load the Linux payload and boot into the Gentle Linux environment. The most reliable and safest method to play
Place your PS3 PKG and RAP files into a folder (commonly named "DEX"). ps3 to ps4 pkg install
Open the GoldHEN menu and select the Package Installer to see and install files from your USB. Comparison of Methods PS Plus Premium Linux/RPCS3 Method Ease of Use Stability High (Streaming) Low (Bugs/Lag) Legality Homebrew/Risk of Ban Downloadable? No (Stream only) Yes (Local) Summary of Common Questions Hacking My PS4 To Play PS3 Games Was An AWFUL Idea