: Go to Settings > Start > System Update > Update Using Wi-Fi . Via PC (Recommended for stability) :

Before attempting any modifications, you need the actual firmware file. Never download firmware from sketchy forums—corrupted files can brick your Vita.

: Get the official PSVUPDAT.PUP file from the Official PlayStation Support Site .

For several years, the "golden standard" for PS Vita hacking was firmware 3.60 or 3.65, using an exploit known as HENkaku Ensō . When Sony released updates like 3.68, 3.70, and finally 3.73, they patched these entry points.