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/.
iPhone Battery Life Comparison. In September, Appleâs latest product iPhone7 officially released, in addition to the much-anticipated A10 chip, dual cameras and wireless headphones, the new iPhoneâs endurance has also been further improved. Although the conference site did not disclose the specific size of the capacity.