How to Unlock the Sony Ericsson Z710c AT&T Internet Settings

The Sony Ericsson Z710 is a phone mainly used in Europe, the Middle East, China, Africa and the Americas, according to GSM Arena. It includes a FM radio, megapixel camera and a Web browser. If you received your phone through the mail or as a special offer, it may have a lock on it. This prevents you from making calls, using the phone's features and making changes to the phone, including its Internet settings. All you need to do is enter the default lock code to unlock it permanently.

• 1

  Press the "Menu" button. Navigate to "Settings" and "General."

• 2

  Click "Security." Select "Locks" and "Phone Protection."

• 3

  Enter the default lock code, which is "0000." Press the "OK" button. Your phone is now unlocked.

• 4

  Press the "Menu" button. Navigate to "Internet" and "More." Select "Settings." Change settings for your Favorites, History or Cookies.