Valuable Information - Ericsson CF888 User Manual

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Some features/menus are operator dependent

Valuable Information

Operators & Subscription
To be able to use your phone, you need to have a subscrip-
tion to a network. This is obtained from the network opera-
tor. The services included in your subscription depend on
your choice of operator and/or subscription. Therefore,
some of the services and functions described in this manual
may not be accessible to you. If you want a complete list of
the services included in your subscription, please contact
your network operator.
Dual Band/Dual Mode –
GSM 1900 & Analog 800
The Ericsson CF888 is a dual band/dual mode phone, so
you can operate your phone in two different kinds of net-
works – the GSM 1900 (PCS) and the AMPS 800 systems.
The digital GSM system operates at 1900 MHz, while the
analog system, AMPS, operates at 800 MHz.
A dual band/dual mode phone, such as your CF888, com-
bines the two standards and can use both frequencies. You
have the power of the GSM 1900 in your home network
while being able to roam in the widespread analog coverage.
GSM 1900 is sometimes called GSM or PCS.
Analog information/instructions will appear in blue.
2
SIM & PIN
Together with your subscription you will obtain a 3-volt SIM
(Subscriber Identity Module) card. The SIM must be a dual
mode SIM card to operate as a dual mode phone. A sin-
gle mode SIM will only access GSM 1900 networks.
The SIM card contains a computer chip that keeps track of
your phone number, the services you have ordered from your
network operator and your Phone Book information, among
others.
Your SIM card is supplied with a security code or Personal
Identity Number (PIN), which you need in order to gain ac-
cess to the network. Your PIN may also be required when
you want to change settings in your phone. Furthermore,
some operators may have services that require a second PIN,
the PIN2. You will find your PIN (and PIN2) in the informa-
tion from your operator.
When you turn on your phone you may be prompted to enter
your PIN if the PIN is activated. If the PIN is entered incor-
rectly three times in succession, the SIM card will be blocked.
If this happens you can unlock it by using your Personal Un-
blocking Key (PUK) code, which is also obtained from your
operator. See chapter "Security".
You should be careful with your PIN, since it is your protec-
tion against unauthorized use of your phone and subscrip-
tion.

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