Sometimes automatic updates fail (error C3-12077-7). In that case, manually install the PUP file.
In reality, 3.74 was released specifically to block several popular hacking exploits (such as the "H-encore 2" loader) that worked on firmware 3.73 and below. It does add new games, themes, or online features.
Sony does not host a nice "download page" for firmware, but the update files live on their content delivery network. The direct link for the PS Vita 3.74 PUP (PlayStation Update Package) file is: ps vita firmware 3.74 download
You can update your device through three primary official channels: : Navigate to Settings > Start > System Update . Select Update Using Wi-Fi .
The is the final official system software update released by Sony on May 10, 2022. This update primarily introduced mandatory device passwords for PSN sign-ins and disabled account creation directly from the console. Download and Installation Methods Sometimes automatic updates fail (error C3-12077-7)
Complete Guide to PS Vita Firmware 3.74: Download, Installation, and Modding
Once your console is successfully running version 3.74, you might notice that entering your standard account password results in an error. This is normal behavior due to the security changes introduced in this update. To log in successfully: It does add new games, themes, or online features
If your Vita is connected to Wi-Fi and running normally, this is the easiest method. Turn on your PS Vita and connect to a stable . Open the Settings application from the LiveArea. Tap on System Update . Select Update Using Wi-Fi .
You can download the update file directly from the Official PS Vita System Software page . PS Vita System Software (US)
This error code often appears when the PS Vita fails to start the update process. It can be caused by a corrupted update file, an issue with the USB cable or port, or problems with the Content Manager Assistant (CMA) software. To fix it, try the following steps:
