Yes, the iPhone 4 and 4s models are the same size so all cases and screen protectors will fit the same.
the 4 and the 4s are.
It depends. If the iPhone 4 case is for the GSM model (AT&T) then you can put it on, but the ringer slide button will be partially obscured. If the case is for CDMA models (Verizon) then yes, it will fit because when Apple made the Verizon iPhone 4 they upgraded it to be slightly different, and that is the shape all iPhone 4S's are now. iPhone 4 are very similar in shape with iPhone 4S. If you really want, you can put the iPhone 4S phone into a iPhone 4S case. but it may seems no good in apperance, as they are not exactly same.
The iphone 4s desigh as same as iphone 4, so you needn't worry about that ,my girl friend's iphone 4s use my iphone 4 case (buy form 708buy.com) all the time, I prove the iphone 4 case is fit to 4s
The iPhone 4S does not come with and included gel case. However, a variety of gel cases are available that fit iPhone 4/4s. Gel cases come in many colors and textures.
Yes, they have almost exactly the same dimensions, but the 4S is a bit heavier.
They are the same thickness.
they are actually the same size!
No it is the same shape as the iPhone 4!
There are a lot of sites that sell iphone 4S covers, in my opinion www.ebay.com. Iphone 4 and the iphone 4s are both same size, so you could get an Iphone 4 case too.
Yes they should but check first that it does fit, (as with buying of all goods).
not a 4s but he has a red iphone 4