Create a Security Code on a Basic Cell Phone

• 1). Open your phone's main menu.
  
  
• 2). Open the "Settings" menu.
  
  
• 3). Select "Security."
  
  
• 4). Enter your mobile phone's default lock code when prompted. The default lock code is the last four digits of your mobile number.
  
  
• 5). Select "Change Lock Code" and follow the on-screen prompts to create a new security code for your phone.
  
  

Create a Security Code on a BlackBerry

• 1). Open the BlackBerry's main menu and select "Options."
  
  
• 2). Navigate to and open "Password."
  
  
• 3). Change the password field to "Enabled" and create a security code for your BlackBerry.
  
  
• 4). Press the "Menu" button and save the security code. Now when your phone screen times out or you lock the device, a security code must be entered before it can be unlocked.
  
  

Create a Security Code on an Android Device

• 1). Navigate to the "Home" screen and press "Menu."
  
  
• 2). Select "Settings" and scroll down to "Security."
  
  
• 3). Select the appropriate security option in "Set up a screen lock." There are three options: a numeric security code, an alphanumeric security password or a security pattern that must be drawn.
  
  
• 4). Follow the on-screen prompts to create and save the security code, password or lock pattern you select. The security code or password must be at least four characters long.
  
  

Create a Security Code For Your iPhone

• 1). Select the "Settings" icon on the main screen of your iPhone.
  
  
• 2). Tap "General" to open the main settings menu.
  
  
• 3). Select "Passcode Lock."
  
  
• 4). Type a four-digit security code twice to confirm it. Your iPhone will now require you to enter the security code to unlock the phone or access the passcode menu.
  
  

Create a Security Code For a Palm Web OS Device

• 1). Tap the "Launcher" icon or make the up gesture while on the home screen.
  
  
• 2). Scroll to and tap the "Screen & Lock" icon.
  
  
• 3). Scroll down the "Screen & Lock" menu and select "Secure Unlock."
  
  
• 4). Choose the type of security code you would like on your Palm device from the pop-up menu. Your options are "Simple PIN" or "Password." "Simple PIN" will allow you to choose a numeric security code, while "Password" will allow you to use letters and numbers.
  
  
• 5). Enter your PIN or password twice, then press "Done" to save your changes and enable the security code on your Palm.