Could not restore because the firmware file is not compatible

[Alex.H]

Please help me !!
I want to install iOS 5 beta on my iPhone 4 running 4.3.3 now. I restore it with iTunes then click restore+shift and takes iOS 5.. But a pop up appear ! And says : The iPhone could not be restore because the firmware file is not compatible. I search solution since 2-3 days and i don't find one to help me
-_-.

Thanks !

 

[blueroom]

Are you an iOS developer?

 

[jenlevin]

if youve used any jailbreak-related software on your computer, edit your hosts file - add # before the line with gs.apple in it

....this is, assuming your device is registered

 

[Alex.H]

No, i'm not apple developer, but someone add me to his spots in his dev account ..
And I don't know where is the file host and how to .. ?