I have some questions about centering the design for all iPhones n tablets

Hi I am having some issue with my app design on the main storyboard I am trying to get them all in the middle but when I try the iphone 11 it looks fine. But on the other iPhones n tablets looks lien this


you might need to customize depending on the iphone model then. you can do this via storyboard, at the button there is view as: [device] change that so you can customize depending on the device