Quality of life.
- Boots ~2.3s faster: a needless blocking vendor call removed; menu in ~10s from power-on.
- Menu clock: optional time by the battery (Tools > Clock, press X); restores to last-played time if the battery dies flat.
- Charging screen: after 30s a dim battery display, after 5 min sleep; charges cooler, holds 99% until the charger truly terminates.
Copy MinUI.zip to the card root to update. Saves, settings, and calibration survive.