Setting up new iOS 10

[Latinking25]

i have an iPhone 6s w/ios10 and I wanna start over and set up as new. How can I do that without a computer? Factory reset?

 

[C DM]

Reset all content and settings option under Settings > General > Reset?

 

[Latinking25]

Reset all content and settings option under Settings > General > Reset?

Will I still be on iOS 10 or will it go back to iOS 9?

 

[KingCapning]

Will I still be on iOS 10 or will it go back to iOS 9?

You will still be on iOS 10