iPhone What is this, and what does it do?


gwang73

macrumors 65816
Jun 14, 2009
1,063
430
San Francisco Area
It's called reachability and activated when you pull down from the bottom navigation bar on X, XS, XM or when you triple click the home button. You can turn it off in Settings -> General -> Accessibility.
 

sbailey4

macrumors 68040
Dec 5, 2011
3,603
1,789
USA
And its used to allow you one-handed access to the items up top on the larger phones.