• Close the apps you’re not using so they don’t drain your battery.  Access the multitasking bar to check for open apps, and close the apps by tapping and holding the icons, then tapping the minus.
• Dim your screen by turning down the brightness.  Open settings, brightness, and move the slider to make the screen darker. You can also set the auto-lock time lower by settings, general, auto-lock. Select a shorter time to use less power.

Typing

• Hold shift down when typing to capitalize a whole word.
• Slide for capitals – Quickly enter a capital by tapping and holding the shift button, then dragging your finger over to the letter you want and let go.
• Slide to punctuate – Quickly enter punctuation or numbers by tapping and holding the 123 button, then sliding to any number or punctuation button and releasing your finger.
• Add Emoji emoticons as a keyboard by opening settings, general, keyboards, international keyboards, and finding the Emoji option. Tap the small globe when you type to get the icons.
• Shake to undo and redo – shake your phone to undo your typing in any application.  Shake again to redo.  Your phone will pop up a query to double-check.
• Double tap for shift lock – Enable caps lock by opening settings, general, keyboard, and turning on enable caps lock.  Now you can double tap the shift key to turn on caps lock.  It will turn blue when locked.
• Hold keys for extras – if you hold down certain letters or punctuation on the keyboard, a pop-up appears containing other options.  E.g. you can hold down the currency symbol to get other currencies.
• Cut, copy, and paste text by double tapping or holding down text and then waiting for the copy button to appear.  Tap once where you would like to paste the text and tap paste.
• Get a bigger keyboard by turning your phone sideways in all standard applications (notes, messages, mail, and safari).  In Safari, move your phone sideways before taping the address bar.
• Hide message keyboard by sliding your finger down from above the entry box and the keyboard will start to disappear.
• Get a magnifying glass by holding your finger over the text for a second until a small magnifying glass appears.
• Quickly insert a period by tapping the space key twice, or the space key with two fingers at the same time.  A period and a single space will be inserted.
• Quickly correct a word when you type it in wrong or when auto-correct changes it be taping the backspace key once to see replacement options and tapping the word you want to change it to.
• Create custom typing shortcuts by opening settings, general, keyboard, then add new shortcut.
• Turn on SMS character count by opening settings, messages, turn on character count. This doesn’t appear for iMessages as character count is unlimited.
• Add words to dictionary by opening settings, general, keyboard, scroll down to shortcuts and tap add new shortcut. Type the word into the phrase box and leave the shortcut box empty. Tap save.

Music

• Stream music and videos through AppleTV using AirPlay.  From Music or Videos app press the AirPlay icon.  You must be connected to the same Wi-Fi network to play through another device.
• Turn on AirPlay Mirror from the multitasking bar.
• Change the volume of your iPhone through the multitasking bar.
• Stop speaker interference when you dock your phone into speakers that don’t specifically support the iPhone by turning on Airplane Mode.
• Shake to shuffle songs.  You can disable shuffle through settings, music.

Camera

• Press volume up button on the side of your iPhone to take a picture.  This lets you hold the phone like a normal camera, which give you more stability to take a great picture.
• While using the Camera app, quickly access Camera Roll by sliding finger left to right.  Keep sliding to see recent photos.  Tap the screen, then the blue camera icon, to go back to camera and take more photos.
• Open camera from lock screen by double tapping the home button and tapping the camera icon. You can only view the photos you take when using this feature as added security.
• Tap the screen on the part of the image you want to focus on.  Pinch the screen or drag the slider to zoom in with iOS 4 and later.
• Use the front camera to check yourself out by tapping the flip icon in the top right corner of the Camera app.

Photos

• Create and edit photo albums from the Photos app.  On the Albums page tap edit, add. Name the album and add photos from the Camera Roll by tapping them.
• Add photos to albums from Camera Toll by tapping the arrow icon and selecting the photos you want.
• GeoTagging – view your photos by location in the Photos app by tapping the places tab.
• Use photo stream to share your most recently taken photos with other Apple devices.  Open settings, iCloud, and check that photo stream is turned on.  To view the photos being shared, open Photos and select the album Photo stream.
• Send multiple photos by selecting the photos in the photos app using the arrow incon, tapping the photos you want and then share or copy.