iphone 3gs stuck during upgrade

[stoyk66]

hi everyone,

i have a 3gs jailbreak with blackra1n, but when i started the update to 4.1, the loading stops around 60 % ....

i tried to update automatically with itunes and manually, but noting changes, its stays stuck .

could you help me pls, i'm desperate

[iYeow]

Make sure you have Itunes 10.
Download from here : iClarified - iPhone - Where To Download iPhone Firmware Files From
Do the Shift + Restore to 4.1 ipsw which you just downloaded.