It's also a good idea to back up your PSP's data and settings before starting the upgrade process. This will ensure that you don't lose any of your saved games or custom settings.
The upgrade from is the final frontier for the PSP hacking community. With Infinity 2.0, your PSP becomes "permanently custom" with zero need to ever uninstall or downgrade again. psp 5.50 gen d3 to 6.61
However, as great as 5.50 GEN D3 is, there are some limitations to using an older firmware version. For example, some newer games and applications may not be compatible with 5.50 GEN D3, and users may miss out on some of the newer features and security patches that have been added to later firmware versions. It's also a good idea to back up