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I am totally happy with my upgrade from 4s. I find the screen size to be perfect so I hope they dont go bigger for iphone 6. The only thing is the battery life isnt that great, or so it seems. Maybe Ive got too much running in the background.
 
4s to 5s owner. At first I was like, "eh, just a phone"... but then I started messing w/ the camera- especially the slow mo. It's also so much faster than the 4s.

Very happy.
 
Yes, very happy.

After messing around with mine for awhile, my husband, who said earlier in the week that he didn't think he was going to upgrade his 4s, is now considering upgrading.
 
I'm happy going from my 4S to a 5S. I really like the upgraded camera and video functions. I don't miss not having a jailbroken phone. I'm just hoping the battery holds up better and Mophie comes out with some slim cases that won't take away from the looks of the phone like it did with the 4S i had. That just felt like a brick.
 
I am however finding that the signal is slightly weaker on the 5s and as I was already in a patchy area is does seem to be dropping out a little more :-(

I've found the same thing. I'm getting one less bar most of the time than I did with my 4s. I don't know if it's the hardware or if the software may be calculating things differently, but it doesn't really bother me as long as I get a signal.
 
I also upgraded from the 4s. The 5s is much faster all around, from overall iOS snappiness, to LTE support. The added screen size is really nice, and the touch ID works very well.

Overall, really happy with the upgrade.
 
It was a great step up to me. Overall just way faster. Touch id is spectacular. Siri seems faster but that could be iOS 7. Haven't had a chance to test the camera out yet becides the burst mode but the new flash seems great from when I did use it
 
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