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PIN2 Personal Identification Number used for the control of
Fixed Dial Store and Call Charge metering. Supplied by
your Service Provider. If the PIN2 is entered incorrectly
3 times, the PIN2 will be blocked
PUK/PUK2 PIN/PIN2 Unblocking Key. Used to unblock the PIN/
PIN2. Supplied by your Service Provider. If the PUK/
PUK2 is entered incorrectly 10 times, the PUK/PUK2
will be blocked
Registration The act of locking on to a GSM/GPRS network, usually
done automatically by your phone
Roaming The ability to use your phone on networks other than
your Home network
Service
Provider
A company that provides services and subscriptions to
mobile phone users
SIM Subscriber Identity Module. A small smart-card which
stores unique subscriber and user-entered information
such as Phonebook and Short Messages. Supplied by
your Service Provider
WAP Wireless Application Protocol. A communication stan-
dard which enables you to download resources from
the Internet to your phone
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