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card, is the password to activate SIM card.
PIN2 Personal Identification Number 2, provided by the
network provider for certain SIM card features
(FDN,etc.)
PUK Personal Unblocking Key
,
provided with the SIM
card. It is used to unlock the SIM card if you have
entered 3 incorrect PIN code or to modify your PIN
code.
PUK2 Personal Unblocking Key 2
,
provided with the SIM
card, is used to modify or unlock the PIN 2 code.
IMEI International Mobile Equipment Identity
,
consisted
of 15 numbers
,
is unique for each mobile
MCC Mobile Country Code, for example: China
(Mainland) is 460
MNC Mobile Network Code, for example:
China Mobile is 00 and China Unicom is 01.
Call waiting Calling waiting is a network service, which