Using the Phone Features
Security Options
SIM Lock settings
In the Settings menu, tap Security → SIM lock
settings to enable the USIM card lock and change
your pin code.
•
Lock SIM — Select this box to lock your SIM
card.
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•
Change PIN — Select this setting to change
your SIM card PIN code.
Phone Lock Setting
In the Settings menu, tap Security → Phone lock
settings to open Phone Lock Setting and set the
Phone lock and change your password.
NOTE: Not available in all models.