As of 2025, Sony has officially discontinued the PlayStation Vita. No new firmware versions are being released. The last official firmware was 3.74 (released in 2021). Consequently, the final, official psp2updat.pup file (3.74) will remain unchanged forever.
For the average consumer, psp2updat.pup operates in the background. If a user manually updates via a PC (using Sony’s Content Manager Assistant), the PC downloads the .pup file and transfers it to the Vita. psp2updatpup
At first, Pup's changes were small. It smoothed a menu transition here, fixed a misaligned icon there. The console appreciated the attention and started booting a hair faster. Players noticed only that their game paused for a fraction less before plunging them back into a level. They called it "a polish" and moved on. Pup basked in the subtle gratitude. As of 2025, Sony has officially discontinued the