help me sir
i have apple 4s version 6.1.3 . i want to update my 4s to 7.1.2 have any solution . it say update to 8.4.1. i want 7 version .because some app do not work on 6.1.3
it say 7.0 or greater
iPhone 4S, iOS 6.1.3, i want solution as soon as possible
