[cookiemonsta]

But with new OS versions, older phones quickly start to show their age. An iphone 4 or iphone 4s on the latest version of iOS it supports is really sluggish and slow (and no easy way to put iOS6/7 back on it)

[empressplay]

this is by design, though, obviously.

providing "upgrades" to previous models incapable of truly supporting them is kind of an Apple trademark