Downgrade from ICS to gingerbread

[#1]

Hello i purchased a sony ericsson xperia neo v a few monhs back.It was initially installed with gingerbread OS.Later i upgraded it to ICS.The phone started working really slow after updrading it to ICS.I went to a nearby sony center to get it downgrade it to my default OS but those guys said i would have to pay Rs.600 for same.Please help me out

[KaranSharma]

no there is no need to pay even a single penny to them

as ur phone is in warrenty. they should fix it without any cost.

do try to talk  to the SONY customer care over the phone and let them know about the S*** those service center guys are doing.