Six months from now, the iPhone 12 will be 3 years old. If you got the phone on launch day in October 2020, it must already be showing its age, with poor battery life and sub-par camera performance.

To say the iPhone 16 camera is a big leap over the iPhone 12 might be an understatement. From its higher-resolution 48-megapixel main camera compared to the iPhone 12's 12-megapixel shooter, to its ...