User's Manual

Page 86
SIM Subscriber Identity Module
PC Personal Computer
PIN Personal Identification Number 1, provided with SIM
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