A: No. System software updates do not touch user data. Your game saves, screenshots, and downloaded games remain intact.
A: As of the publication of this article, yes. Sony has not hinted at a 3.75 or 4.00. However, they may release another security patch if a major exploit is found. ps vita system software update 374 download upd
Before you attempt a PS Vita system software update 3.74 download upd, verify which version you currently have: A: No
You will see a line labeled "System Software." If it reads 3.74, you are already up to date. If it shows 3.73, 3.72, 3.70, or lower, you need to update. You will see a line labeled "System Software