User's Manual

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850MHz and PCS 1900 MHz. The phone automatically uses the
network with the strongest signal and even switches networks
during a call within the same operator’s network.
GSM (Global System for Mobile Communication)
International standard for cellular communication, guaranteeing
compatibility between the various network operators – GSM
covers most European countries and many other parts of the
world.
Phone Password
Security code used to unlock the phone when you have selected
the option to lock it automatically each time it switches on.
PIN (Personal Identification Number)
Security code protects the phone against unauthorized use. The
service provider supplies the PIN with the SIM card. The PIN
may be a four to eight-digit number and can be changeable, as
required.
PUK (PIN Unblocking key)
Security code used to unlock the phone when you have entered
an incorrect PIN three times in succession. The service