Sony CMD-J7 - Manual (Page 37)

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Factory Reset
To perform a master reset of all of your
phone's settings back to the factory settings
except Phonebook, Schedule and Network/
SIM card based settings. This will
automatically restart your phone.
Security
} † Settings } Security
The Security options allow you to control who
uses your phone as well as their calling
privileges. However, emergency calls (SOS)
are always possible regardless of the
restrictions/codes you set.
PIN Code
Select PIN code to enable/disable or change
the PIN code. When the PIN code is enabled,
your phone prompts you to enter the PIN code
each time you turn on the phone. You can
change your PIN code to any 4-8 digit
number. Your PIN code can only be changed
if the PIN control is switched on.
PIN2 Code
After entering the PIN code incorrectly three times,
your PIN is blocked. Enter the PUK (Personal
Unblocking Key) to unblock your PIN.
• After entering the PUK code incorrectly ten
times, your SIM card is completely blocked and
can only be unblocked by your Network
Operator/Service Provider.
• If the PIN code is disabled, the risk of
unauthorised use of your phone is greater. The
disabling of the PIN control is SIM card
dependant.
PIN2 is a code provided by your Network
Operator/Service Provider and is required for
access to some features such as FDN
Phonebook or Call Cost. These features are
not supported by all networks.