How to update my iOS on my iPhone

Assuming you have a compatible device, see: Update your iPhone, iPad, or iPod touch - Apple Support

And: If your iPhone, iPad, or iPod touch won't update - Apple Support

If the above Apple articles do not help, please post back with relevant information. 

opoku240 wrote:

I want to update a new iOS on my iPhone

Hopefully, you realize that marking your own reply as solved will not facilitate an update.