The iPhone 4S is 99.99% identical to the iPhone 4 on the outside. The differences, such as they are, can only be found on the left edge of the phone, where the banding of the antenna is slightly ...
If you have an iPhone 4 or 4s, chances are you won't be able to get $200 for it anywhere else, so Walmart's new promotion would be a great deal. If you do opt for the trade in, you can put that ...
To update your iPhone you will need to download the latest firmware file (IPSW). iOS 9.3.5 is an important security update that fixes a spyware flaw.