Download and install the Content Manager Assistant (CMA) for PlayStation on your computer.
The most direct way to check your PS Vita serial number is by looking at the physical console. check ps vita serial number
FUNCTION checkVitaSerial(serial_string): model_id = serial_string.substring(0,3) if model_id == "100": hardware_rev = "OLED (Phat)" screen_risk = checkOLEDBatch(serial_string.batchID) else if model_id == "200": hardware_rev = "LCD (Slim)" Download and install the Content Manager Assistant (CMA)