I have Got myself an Iphone 3gs ,
well its IOS version is 4.1 (8B117) , i want to upgrade to IOS 5, so is it advisable to update ..? what are the benefits..?? and also,its unlocked by the help of Cydia,if i upgrade to IOS 5 do i need to get it unlocked again..?? i paid damn 400rs for it..!!