Psp Version 9.90 ((new)) Jun 2026

Your PSP checks its own version: . It thinks: “9.90 is higher than 5.00. I’m already up to date.”

When a PSP is hacked with these older methods, the installer deliberately changes a specific value in the flash memory (the index.dat file inside flash0:/vsh/etc/ ). That number, which the XMB (the PSP’s main menu) reads as the system version, is artificially set to . psp version 9.90

To update your system, you must "unspoof" the version number so the PSP realizes it is actually running an older firmware (like 5.50). You can do this using one of the following methods: Method 1: The Manual Flash0 Edit (Most Common) Your PSP checks its own version:

If you have encountered , you likely discovered that your handheld refuses to update, claiming it is already running the latest software. This can be confusing since the last official Sony firmware for the PlayStation Portable was version 6.61. That number, which the XMB (the PSP’s main

But in his hands, a 22-year-old handheld was talking to a ghost in orbit.

While this was a helpful safety feature in 2010, it is a hurdle for modern PSP users. Most current homebrew, emulators, and permanent CFW mods (like Infinity 2.0 or ARK-4) require your PSP to be on official version 6.60 or 6.61. If your PSP is stuck on "9.90," you cannot install these modern improvements. How to Fix the 9.90 Error and Update Your PSP