Hacking R4 Fake- Where to get the IOS?

[Jiehfeng]

My friend has a R4 which is a fake and he lost his files so now I can't find the IOS files.
The website on the card is www.r4-u.com
But that doesn't work. Do you know where I can get the files?

 

[Pong20302000]

R4 ultra? whats the card look like

take a pic