Maybe your rotation sensor is broken ... which looks like a circular arrow with a lock inside it. After that, close Control Center, and your iPhone or iPad's screen will stay rotated just the ...

rotation lock status, and battery percentage. With iOS 18, you also get an option to turn off your iPhone directly from the ...

What your iPhone can't do is lock in landscape mode; it can only have its screen rotation locked in the up-and-down portrait view. This isn't so with the iPad, however; iPad screens can be locked ...