
HTC Desire 320
Find "Fixed Dialling Numbers"
Press the phone icon.
Press the menu icon.
Press Settings.
Press Other Settings.
Press Fixed Dialling Numbers.
Turn fixed dialling on or off
Press Enable FDN or Disable FDN (depending on the current setting).
Key in your PIN2 (default is 1111) and press OK.
Return to the home screen
Press the home icon to return to the home screen.