: On your PS Vita, navigate to Settings > Start > System Update > Update Using Wi-Fi .
The most trusted resource is (historical) or community archives that mirror the exact, hash-verified files from Sony. For 3.73, the verified file details are: ps vita firmware 373 download better verified
: Ensure your battery is at least 50% charged and do not turn off the power during the update to avoid bricking the device. Summary of Versions Release Date Key Feature 3.73 : On your PS Vita, navigate to Settings
Here are some common concerns and FAQs related to PS Vita firmware 3.73: : On your PS Vita