IOS5.1 upgrade in DFU mode help?

[ISKOTB]

My internet is slow and I'm trying to upgrade the ios so I managed to downloaded version 5.1 I currently have a factory unlocked JB IPhone4 version 4.3.3 I'm getting the iPhone Could not be Restored Because Firmware is not Compatible? what am I doing wrong?

Thanks !!

 

[Applejuiced]

Are you trying to install the beta 5.1 or official 5.0.1?
Did you download the correct ipsw for your device?

 

[ISKOTB]

File name is iPhone4,1_5.0.1_9A405_Restore.ipw

 

[Applejuiced]

File name is iPhone4,1_5.0.1_9A405_Restore.ipw

Ok, so it is 5.0.1 not 5.1
What model iphone do you have? Iphone 4 or 4S?
Why dont you just plug it to itunes and hit update?

 

[ISKOTB]

I thought this way will work fine as I see it on youtube....etc I have Iphone 4 and it's taking 4ever via itunes to download latest IOS trying again