What do you have (the original 1000 OLED model or the 2000 Slim model)?

To download and install PS Vita firmware 3.73, follow these steps:

: For those using Vita3K , firmware 3.73 is fully compatible and often recommended for its stability. How to Install Firmware 3.73 Verified

A "verified" download typically refers to a file that has been checked against a known cryptographic hash (such as an MD5 or SHA-1 checksum). In the PS Vita community, preservation projects like "NoPayStation" and the "PS Vita Firmware Database" provide these verified files. Users seek "better verified" downloads to ensure that the PUP (PlayStation Update Package) file has not been tampered with. Installing a corrupted firmware file can result in a "soft brick," rendering the console unusable until repaired via safe mode, or in the worst-case scenario, a permanent "hard brick." Therefore, the search for verification is a search for safety and system integrity.

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.

: The official patch notes state it "improves system performance". Community reviews frequently joke about this being a "stability-only" update with no major new features added.

Improved system performance; last version before major account security changes.

If you must install version 3.73 specifically and want to avoid 3.74, you can manually use a .PUP file from reputable archives:

To download and install the PS Vita firmware 3.73 update, follow these steps: