Settings

             Device And SIM Card   Security
Select > Setting > General > Security
  •  To change the PIN code, select Phone and SIM Card > PIN Code.  The new code must be 4 to 8digits long. The PIN code products your SIM card against unauthorized use and is provider with the SIM card. After three consecutive incorrect PIN code enters, the code is blocked, and you need to use the PUK code to unblock it before you can use the SIM card again. 
  • To set the keypad to lock automatically after a defined period, Select Phone and SIM Card > Keypad auto lock Period.
  •  To set a time-out period after which the device is automatically locked and can be used only if the correct lock code is entered, Select Phone and SIM Card > Phone Auto lock Period. Enter the length of the time out period in minutes, or Select None to deactivate the auto lock feature. When the device is locked, you can still answer incoming calls, and calls may still be possible to the official emergency number programmed into your device.
  •  To change the lock code, Select Phone and SIM Card > Lock Code. The default lock code is12345. Enter the correct code and then the new code twice. The new must be 4-255  characters long. Alphanumeric (uppercase and lowercase) Characters can be used. The device notifies you if the lock code is not properly formatted.

                     Restore Original Setting

To restore the original device setting, Select > Setting > Setting and General > Factory Setting. To do this, you need you device lock code. After resetting, the device may take a longer time to switch enters, and fills are unaffected.

  • How can I control the level of brightness on my Nokia C5-00 display?
  •  To adjust the  display brightness select >Menu > Settings > Settings > General > Personalisation > Display > Brightness > Change > the slider between Dark and Bright.
  • To define the power saver interval, select Display > Power saver time-out, between 5 - 90 seconds.
  • To  Power saver and appearance from the Themes. Select Menu > Settings > Themes > Power saver and select of the following options: Date, Text,Music player, Animation, Slide show or None.