Let’s be clear about the "work" part of your search.
While there are some community-made ISO files available online that claim to allow WWE 2K16 gameplay on PSP, it's not recommended to attempt to play the game on PSP using an ISO file. The technical limitations of the PSP's hardware and the potential security risks associated with downloading and using these files make it a less-than-ideal solution. wwe 2k16 psp iso work
Menus, rings, and UI elements are changed to use the official 2K16 graphics and logos. Let’s be clear about the "work" part of your search
New move sets, updated theme songs, and fixed match types (available via Patch 1.01). How to Get It Working To run this ISO, you typically need a PSP emulator like Menus, rings, and UI elements are changed to
The main challenges and limitations associated with WWE 2K16 PSP ISO work are:
Downloading random “ISO” files from untrusted sites risks viruses. Only use your own game backups or official sources.