A survey revealed that the number one reason people are buying the iPhone 7 is the promised longer battery life. See also Video Summary iPhone 7 What To Expect
The same survey showed that 59% of the people bought the iPhone 7 due its being water resistant since mobile users like to carry their phones while at the beach or swimming pool.
People are buying the iPhone 7 due its enhanced camera quality, as the iPhone 7 Plus comes with an impressive dual 12-mega pixel camera.
Apple added stereo speakers to the iPhone 7 which have enhanced the sound quality, allowing people to watch videos or have conference calls without compromising quality.
People are buying the iPhone 7 as it provides a larger internal capacity, which allows users to store many more images, songs and videos.
People are praising the jet black iPhone 7 that has a sleek, matte style, which is the reason 23% of the people are upgrading their phones.
Some people have bought the iPhone 7 due its large screen which allows them to view media better, play games and watch videos/movies.
Some people like to be up to date with the recent iPhone releases as a sign of social status and wealth. See also Why some people think the iPhone is the best phone