Telefunken S540 Instruction Manual page 21

keys to see the different wallpapers. Once you chose the one you like, press OK to set it.
Go to User defined to choose the wallpaper from the taken photos or from Downloads.
ƒ Show date / time
This option allows you to show or hide date and time information on main screen.
ƒ LCD back-light
Go to Settings -> Display -> LCD back-light -> set the brightness of the screen to suit you. Press
the to decrease or
of seconds after which the screen will turn off (from 5 to 60 seconds). Press the
key to increase the time.
ƒ Backlit keys
Switch this option On or Off. When the backlit keys are turned off, the keys will not light up.
h Security
Go to Settings -> Security -> SIM security:
ƒ PIN lock
ƒ Change PIN
Go to Settings -> Security -> Phone security:
ƒ Phone lock
ƒ Change password
h Connectivity
Go to Settings -> Security -> Connectivity:
ƒ Bluetooth
ƒ Power
ƒ Visibility
ƒ My device
ƒ My name
ƒ Services
Go to Services -> SIM toolkit.
ƒ Data accounts
Go to Data accounts-> Choose mobile network you wish to connect to (may be limited by your
network operator).
ƒ Voicemail
This setting allows you to set up your voicemail.
h Flight mode
This function prevents the phone from connecting to mobile networks. The function is used for safety
when travelling in a plane.
Go to Settings -> Flight mode -> select between Normal mode or Flight mode.
h FOTA (Software update)
The manufacturer continually tries to improve its product. You can check the current software version
of this phone and update it to the latest version.
ƒ Version info
With a data subscription, go to Settings -> Update phone -> Version info to check your current
software version.
key to increase the brightness. Then, press the
To lock the SIM card, input the SIM card's

To change the password, input the old

To lock the phone, input the phone password. The default password

is 0000.
To change the password, input the old password.

Press the left

After the Bluetooth is switch on, the visibility of Bluetooth turn on

automatically).
Choose Search new device -> Add.

Name of the phone. It is pre-set: S540. It can be changed. Clear

the editing field and type your own name.
to switch this option On or Off.
key
21
key to set the number
to decrease or
password.
password.