For older versions like 3.60 or 3.65 (popular for jailbreaking), enthusiasts use community-vetted archives such as Darthsternie's Firmware Archive or the Internet Archive . How to Use the PSP2UPDAT.PUP File
PSP2UPDAT.PUP is the standard firmware update file for the PlayStation Vita (PS Vita) and PlayStation TV (PS TV). It is essential for either updating your system to the latest official firmware or for downgrading to a specific version—usually psp2updatpup download link
Whether you're a long-time PSP owner or someone looking to breathe new life into a classic console, keeping your PSP updated with the PSP2UPDAT.PUP file is a straightforward process that offers significant benefits. For older versions like 3