Clear Sim Card Barring - Siemens M75 User Manual

Siemens m75: user guide
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Security
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T
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Select function.
Change PIN2
(Display only if PIN2 is available.)
Proceed as for
Change
Chg.phonecode
(Change phone code)
You define the phone code (4 to
8 digits) when you call up a phone-
code protected function for the first
time (e.g.
Direct
then valid for all phone-code pro-
tected functions. Following the third
unsuccessful attempt, access to the
phone code and the functions that
use it is denied. If this occurs, con-
tact Siemens Service (page 59).

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 in accordance with the instruc-
tions. If the PUK (MASTER PIN)
has been lost, please contact your
service provider.
¢
PIN codes
PIN.
call, page 47). It is
Preventing accidental
activation
Even if PIN control is deactivated
(page 14) confirmation is required
to switch on the phone.
This prevents accidental activation
of the phone, e.g. when you are car-
rying it in a bag or when you are trav-
elling in an aircraft.
Press and hold.
B
Press. The phone switches
§OK§
on.
Press this key or take no
§Cancel§
action. The phone does
not switch on.
Security
15

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