Samsung GT-S5520 - Security; PC Connections; Network

Settings
92
Change PIN2• : Change the PIN2, which is used to protect
the primary PIN.
Mobile tracker• : Activate or deactivate the mobile
tracker features, which helps you locate your phone
when it is lost or stolen. ► p. 25
PC connections
Set a USB mode to be activated when you connect the
phone to a PC. ► p. 73
Network
Access or alter the following settings to control how your
phone selects and connects to networks:
Network selection• : Set the network selection method
to automatic or manual.
Network mode• : Select a network band.
Security
Access and alter the following settings to secure your
phone and data:
Phone lock• : Activate or deactivate the phone lock
feature to require a phone password before using the
phone.
SIM lock• : Activate or deactivate the SIM lock feature to
require a phone password before using the phone.
PIN lock• : Activate or deactivate the PIN lock feature to
require a phone password before using the phone.
Privacy lock• : Make various types of data private;
To access private data, you must enter your phone
password.
Fixed dialling mode• : Activate or deactivate FDN mode
to restrict calls to numbers in the FDN list.
Change password• : Change the phone password.
Change PIN• : Change the PIN used to access SIM or USIM
data.