How to Use an IPhone

The iPhone is a top-of-line smartphone that runs on Apple’s desktop operating system, Mac OS X.

This smartphone has access to millions of software applications from the Apple App. Store and allow the iPhone to perform tasks that no other smartphone can, and thus give the iPhone an edge over the competition.

This article will give you a basic guide to using your iPhone.

You will need

  • Apple iPhone
  • A wireless service plan with a carrier that provides iPhone service in your area
  • A Mac or PC with a USB 2.0 port and one of the following operating systems:
  • –Mac OS X version 10.4.11 or later
  • –Windows XP Home or Professional with Service Pack 2 or later
  • –Windows Vista Home Premium, Business, Enterprise, or Ultimate edition
  • The display resolution on your computer set to 1024 x 768 or higher
  • iTunes 8.2 or later
  • An iTunes Store account (for purchases from the iTunes Store or App Store)
  • An internet connection for your computer


Installing the SIM card

  1. Insert the end of the SIM eject tool into the hole on the SIM tray; press firmly and push it straight in until the tray pops out. If you don’t have a SIM eject tool, you can use the end of a paper clip.
  2. Pull out the SIM tray and place the SIM card in the tray.
  3. With a tray aligned, carefully replace the SIM tray containing the SIM card in the iPhone.

Locking and turning off

  1. To lock the iPhone, press the Sleep/Wake button.
  2. To unlock, press the Home button or the Sleep/Wake button, then drag the slider.
  3. To turn it off completely, press and hold the Sleep/Wake button for a few seconds until the red slider appears, then drag the slider.
  4. To turn on, press and hold the Sleep/Wake button until the Apple logo appears.


  1. Tap a text field, such as in a note or new contact, to bring up the keyboard.
  2. Tap keys on the keyboard.
  3. As you type, each letter appears above your thumb or finger, if you touch the wrong key, slide your finger to the correct key. The letter isn’t entered until you release your finger from the key.
  4. To type uppercase, tap the Shift key before tapping a letter or press and hold the Shift key, then slide to a letter.
  5. To quickly type a period and space, double-tap the space bar. You can turn this feature on or off in Settings > General > Keyboard.
  6. To turn the caps lock on, double-tap the Shift key. The Shift turns blue and all letters you type are uppercase. Tap the Shift key again to turn the caps lock off. You can turn this feature on or off in Settings > General > Keyboard.
  7. To show numbers, punctuation, or symbols, tap the Number key. Tap the Symbol key to see additional punctuation and symbols.
  8. To type letters or symbols that aren’t on the keyboard, press and hold the related letter or symbol, then slide to choose a variation.

Making a Call

  1. To call a contact, tap a contact, choose a contact, then tap a phone number.
  2. To dial a number, tap Keypad, enter the number, then tap Call.

Taking photos

  1. Aim iPhone and tap the camera on the screen.

Joining a Wi-Fi network

  1. To turn on Wi-Fi, choose Settings > Wi-Fi > and turn Wi-Fi on.
  2. To join a Wi-Fi network, choose Settings > Wi-Fi, wait a moment as the iPhone detects networks in range, and then select a network. If necessary, enter a password and tap Join.
  3. The Wi-Fi icon in the status bar at the top of the screen shows the connection strength. The more bars you see, the stronger the connection.

Restarting and Resetting

  1. To restart, hold the Sleep/Wake button until the red slider appears. Slide your finger across the slider to turn off the iPhone. To turn the iPhone back on, press and hold the Sleep/Wake until the Apple logo appears.
  2. To force quit an application, press and hold the Sleep/Wake button on the top of the iPhone for a few seconds until a red slider appears; press and hold the Home button until the application quits.
  3. To reset, press and hold the Sleep/Wake button and the Home button at the same time for at least 10 seconds, until the Apple logo appears. A reset should be done only if turning iPhone off and on doesn’t resolve the problem.


  • Visit the Apple website for a complete guide to using your iPhone.
  • Start by typing with just your index finger, as you get more proficient, you can type more quickly using two thumbs.