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 is widely expected to introduce two brand new iPhones during its upcoming event on Sept. 7. It may also unveil an updated Apple Watch among other products. Here's a look at what we may see from this year's iPhone â likely to be called the iPhone 7 â based on the latest rumors and reports. September launch.