Siemens A56 User Giude page 19

18
Change Phonecode
You define and enter the phone
code (4 - 8 digits) when calling up a
phone code protected function for
the first time. It is then valid for all
protected functions.
Clear SIM card barring
If the PIN is entered incorrectly three
times, the SIM card is barred. Enter
the PUK (MASTER PIN) provided by
your service provider with the SIM
card, according to instructions. If the
PUK (MASTER PIN) has been lost,
please contact your service provider.
Note
Screensaver...................................... p. 52
Auto key lock..................................... p. 55
Further security settings.................... p. 62
Security