Today I am about to get a brand new 64 gig iPhone 4s. I know that there are many newer and spec heavier options, but the deal i got us great and i love the desing and prefer it over the 5, 5c and 5s. The phone is brand new - with the original plastic screen protectors on the front and bacjk and everything else, but it has been updated to iOS 7.1.1. Earlier i had an iPhone 5, running the first versions of ios 7, and later i have seen a friend of mine's jailbroken 4s, i notices lags and glitches on both of the devices. So i want to know could i expect more and more lag with the latest version or they have polished the OS up and now it runs smoothly, could i even compare it to iOS6 performanswise. I would like to know your oppinions and experiences, thank you.