[Sony Official 3.73 PUP Link] (Note: Reddit filters sometimes hide direct Sony links. If the above breaks, use the backup below.)
No. Sony released 3.74 later (approximately 2021), which only changed the version string and an SSL certificate. 3.74 offers no functional advantage. Most homebrew devs recommend 3.73 or 3.65. ps vita firmware 373 download better verified
A “better verified” download means you cross-check the file’s integrity using official hash values (MD5, SHA-1, or SHA-256) against known good copies from trusted preservation projects. [Sony Official 3