(adsbygoogle = window.adsbygoogle || []).push({}); i got a Downgraded my 4.50 rogero with rogero 3.55 to go on dex or rex and when i put 3.55 V3.7 on usb they is no download or when i put rogero 4.50 one back on it gets threw first instal second one it just says data corrupt why? Please help as i can use my JB PS3