All u need Is :
First Download These Drivers :
Download
(And run Install.bat)
After When u connect phone Windows willl ask for Cdc Drivers
Get Them here :
Download
(When windows Asks point to Cdc Drivers Folder u downloaded)
And finally u will get your phone unlocked in few secs !!!
I personall Did Manny Ot 991 Last time i did 3
Here
Time Was less than 1 minute