Turn Lowercase Keys ON / OFF
Don’t like the new lower / upper case keys in iOS 9? You can turn them off in a newly added menu in Accessibility. Navigate to Settings > General > Accessibility > Keyboard to access this option.
Quickly Scroll Through Photos
Open up an image in the Photos app and you’ll notice a new thumbnail strip at the bottom. Slide your finger on it to quickly navigate through your gallery.
Quickly Jump Back To Previous App
Whenever you receive a notification and tap on it, you’ll see a new ‘Back to [app name]’ button on the top left of the display, taking you back to your previous app, negating the need to open the multitasking view to achieve the same thing.
Pinch To Zoom In / Out On A Video
If you’re watching a video on your iPhone or iPad, you can simply use the pinch gesture to zoom in or out.
Add Any Attachment Type In Mail
The Mail app now lets you add any type of attachment to a new email message. Tap and hold on the body of the email message to reveal the new option.