: As with most minor Vita updates, the official changelog includes the standard note that "this system software update improves system performance." Impact on Hacking and Custom Firmware (Homebrew)

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: If Sony ever releases a firmware 3.75, do not update. Go to your Vita's system settings, navigate to Auto-Start Settings, and uncheck Download Update File for System Software .

Scroll down to and click Generate New Password .

Account creation and certain management features are no longer supported on the system.

For users running custom firmware (CFW) or homebrew, version 3.74 had the following impacts: HENkaku Compatibility

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: This update officially removed the ability to create new PSN accounts directly on the Vita or manage certain account settings from the device.

to sign in to PSN on the Vita. Standard account passwords no longer work for direct login on the console. System Stability

Ensure your Vita is plugged into a power source or has at least 50% battery. or instructions on downgrading from 3.74 to a more homebrew-friendly version?

It is highly unlikely. Given that Sony discontinued the Vita in 2019 , 3.74 is considered the final update.