Iphone 3gs stuck in DFU mode

[ab24950]

Hi,
my iphone 3gs is stuck in dfu mode while downgrading its iOS.
i had jailbroken iphone 3gs with iOS 4.1, i need to downgrade its OS to 3.1.3.
While downgrading all things works fine except i get an error 1015 and my iphone now stuck in DFU mode.
ANy suggestion what to do next?

 

[Crystal-RX]

Hi,
my iphone 3gs is stuck in dfu mode while downgrading its iOS.
i had jailbroken iphone 3gs with iOS 4.1, i need to downgrade its OS to 3.1.3.
While downgrading all things works fine except i get an error 1015 and my iphone now stuck in DFU mode.
ANy suggestion what to do next?

run tiny umbrella and click on "exit recovery".