Precautions before updating
No. The operating system remains exactly as it was. Boot times, bubble loading, and game performance are unchanged. Does it remove features? No. Unlike some previous updates that closed security loopholes, 3.74 is surprisingly non-invasive. It doesn't block SD2Vita adapters or standard memory cards. ps vita system software update 374 download upd
(For achieving exactly what it set out to do: keeping the Vita alive). Precautions before updating No