Swiver Spoof remover
The easy way to remove the 9.90 firmware spoof
What is Swiver?
'Swiver' is a cool and useful homebrew app from 'reha' and 'PonpiK'. The app works flawlessly and completely eliminates the need to manually access the flash to remove a spoof!
Here's the description of the app from the app's developers:
"Swiver is a homebrew that can automatically switch (or spoof) the system's version.txt to any firmware version between 1.00 and 6.61.
It can be used to fix the "The system version of your PSP™ system version is 9.90. There is no need to update" issue on devices running 5.50 Custom Firmware."
Should you need it, download it here.
Once the spoof has been removed, you can update your firmware and install your preferred custom firmware (CFW). We recommend you use our PSP Hacking / Modding Guide.
Credits:
Swiver was developed by reha and PonpiK of Cat Magic Spell and released under the MIT License. Visit the plugin's release page on github.