On your PS Vita:
Select "Update System Software" -> "Update via PC". psp2updatpup fixed
Thankfully, there are several methods that PSP users can employ to fix the PSP2UPDATEPUP error: On your PS Vita:
Before you begin, gather the following:
To understand the “fixed” version, we first need to look at Sony’s official PSP2UPDAT.PUP file. This is the extension for PSP firmware update packages (.PUP). When Sony released a new official firmware (e.g., 6.60 or 6.61), the updater looked for this specific file to verify the update’s integrity and authenticity. Select "Update System Software" -> "Update via PC"
Homebrew developers, most notably Dark-AleX (creator of the M33 custom firmware), repurposed Sony’s own updater to install custom firmware. The original tools—such as PSP Update Verifier or early PSP2UPDAT.PUP loaders—had a critical flaw: they enforced Sony’s digital signature checks.
If you tried to install a custom firmware using an unmodified updater, the PSP would reject the file, displaying an error (often “Data is corrupted” or a generic DRM failure).