The official download for PS Vita firmware 3.73 could mean a few different things depending on your specific use case.
The Significance of Firmware 3.73 To understand the demand for this specific firmware, one must understand the history of the PS Vita hacking scene. For years, the "golden standard" for modding the Vita was Firmware 3.60, due to the availability of HENkaku, a native hack that allowed for full system access. However, Firmware 3.73 represents the final official update released by Sony. As the last firmware, it includes the most up-to-date security patches and system stability improvements. ps vita firmware 373 download better verified
PS Vita Firmware 3.73 Changelog
Wi-Fi Update: On your PS Vita, navigate to Settings > Start > System Update > Update Using Wi-Fi. The official download for PS Vita firmware 3
The PS Vita’s legacy lives on through careful preservation. Don’t let a corrupt update kill yours. Download smarter, verify better, and keep your Vita alive for years to come. However, Firmware 3
If your goal is to use your PS Vita or PS TV online, Sony requires you to be on the latest firmware, which is version 3.74. You do not need a computer to download this.
In the PS Vita homebrew and "jailbreak" community, 3.73 was a significant version because it was the last version supported by many automated hacking tools before 3.74 was released.