What's the number one feature or improvement we all wish we had on our iPhones?

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Science has found that the Apple iPhone 7 is not giving people what they want. 73% say they're not going to upgrade because there's no headphone jack. So what are some of the features or improvements people do want?

5. Five percent said better hands-free technology so that it's safer to use while driving.

4. 12% want the best camera possible.

3. 15% are looking for better water-resistance.

2. 21% expect a shatterproof screen.

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The number one feature or improvement? 46% said a longer battery life so, it doesn't have to constantly be recharged.