The equals sign means is equal to. It is telling us that one thing equates to another; that they are the same.
The iPhone 4 is the most recent iPhone to be discontinued from the iOS Update cycle. It did not receive the iOS 8 update, so it's final software version is iOS 7.1.2. You can update to this version through iTunes, or download it from an IPSW repository like this website: https://ipsw.me/.
Apple iphone 6s-Apple's Next Generation iphone, the Super New 6s. On your marks, ready steady go! Coming to you the fall of 2015, the new Apple iPhone 6S is about to receive the biggest hardware update of all Apple S versions. More speed, more m...