Downgrade Xperia U

[Jelibon]

i updated my xperia u to ICS and it's working very slow...the camera is not working well...how can i downgrade it back to it's original firmware ?

[_alexdon_]

http://talk.sonymobile.com/t5/Xperia-S-SL-acro-S/How-to-manually-update-root-downgrade-2012-Xperias/...