nagpunta ako lotus last saturday and nagpaupgrade psp well and version ko kase is 3. something and then available yung 6.40 i guess dun sa shop and then nagpaupgrade ako nagbayad ako 500 and inabot lang is 5.50 then i ask why? sabi nea kasi latest version na raw yun. then sinabi nea hindi raw kaya nang slim psp ang 6. sumthing so ang max is 5.50 totoo ba yun?