If you've ever played a video on your Android device and turned it sideways, only for the video to remain stubbornly in vertical orientation, you may wonder why. But don't panic, as there's most ...

Since the launch of the very first iPhone, every single model that followed — not to mention just about every other smartphone in existence — has had a rotating screen feature. It's simple in its ...

This article explains how to enable and disable screen locking on devices running iOS 4 and up. It's broken down by iOS version and covers the ways to tell if screen locking is enabled. What if you ...

Check if the Portrait Orientation Lock is on; it stops the iPhone screen from rotating. Open Control Center and tap the lock icon to turn off rotation lock if it's active. Some apps don't rotate; test ...

The majority of mobile apps are available for use in portrait or landscape mode. This is to say you can view content horizontally or vertically. Typically, you just tilt your phone to the side to ...