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Subscriber Identity Module (SIM) Card
NOTE:It is recommended that you enable the SIM PIN security feature
to prevent fraudulent use of the SIM card, your i58sr phone, and
your account.
Enabling/Disabling the PIN Security Feature
Once the SIM PIN security feature is enabled, you are prompted to enter your
PIN each time you turn on your phone. Until a valid PIN is entered, you can use
the phone only to make emergency calls.
After the SIM PIN is accepted, the phone registers on the network and the idle
screen displays.
When the SIM PIN security feature is disabled, the phone can be used without
entering a PIN.
To enable SIM PIN security
IMPORTANT: It is recommended that you enable the
PIN security feature to protect
personal data on your SIM card. This
prevents anyone from using your
phone and accessing your personal
data.
1
At the idle screen, press m and then
press R to scroll to Settings.
2
Press A under SELECT. The Settings screen displays.
B