This guide will show you the iPhone stop screen rotating trick when you turn the device on it’s side. On an iPhone the feature that you use to stop the screen rotating is Orientation Lock. Orientation lock has been available on the iPhone for years now. In every major version Apple decide to move the location of the icon. The icon is a padlock with an encompassing circle.
I have documented the changes in the location of the orientation lock over the years. This article now contains instructions for every major version of iOS. It shows the location of the feature over time.
In ios11 the portrait orientation lock is now on the dash screen. Here’s how to stop your iPhone screen rotating:
To disable the iPhone Orientation lock click the icon again (it will have a transparent background).
I have added an image and a video below to help you.
In ios10 the portrait orientation lock button is on the control-center screen.
In ios7 the portrait orientation lock button has moved. It is on the control-center screen. This is the same for iOS 8 and iOS9.
To access the control-center:
To engage orientation lock in iOS 6 and below; follow these simple instructions:
You can now use your iPhone without the screen flipping!!!! You can lock the screen using this technique in either portrait or landscape mode.
To disable the lock, simply click the padlock icon again. Your iPhone will return to normal flipping mode :)
An accelerometer controls the screen flipping action inside your iPhone. A sensor inside the phone determines the orientation of the device. Its the same sensor that allows you to control driving games by tilting your screen to the left or right.
Sources: apple support