The screen on your iPhone and iPod touch can rotate so that you can see apps in portrait or landscape mode. Learn how to rotate the screen on your iPhone or iPod touch, or get help if the feature doesn't work.
How to Rotate an iPod Touch Screen
How can I fix the issue of the Messages app being locked sideways on my iPhone, requiring me to rotate it 90 degrees to read the contents, while other apps remain unaffected?
How Do I Get My iPhone Screen to Rotate
Draw in apps with Markup on iPod touch - Apple Support (CA)
Add, edit, and remove widgets on iPhone - Apple Support (CA)
Rotate the screen on your iPad - Apple Support (CA)
Edit photos and videos on iPod touch - Apple Support (CA)
Animate messages on iPhone - Apple Support (CA)
How to add and edit widgets on your iPhone - Apple Support
Use display and text size preferences – Apple Support (AU)
If your iPod touch won't turn on or is frozen - Apple Support (CA)
