But after reading through this thread I did a Network Settings reset. WOW...A night and day improvement. I'd suggest that as a 1st step as it is a simple task, especially compared to a restore.
Could you elaborate please? My 5S is pretty laggy even after a clean install, especially the weather app. When I pinch in and out it lags so badly, like 5FPS. Could you please explain exactly what you did? Thanks!