User's Manual

network supplier.
SIM error
1. The SIM card is dirty, clean it.
2. Re-mount the SIM card.
3. The SIM damaged for replacement
Appendix II Abbreviations and explanations
CUG Closed User Group
GSM Global System for Mobile communication
GPRS General Pocket Radio Service
SMS Short Message Service
CB Cell Broadcast
FDN Fixed Dialing Numbers
SIM Subscriber Identity Module
PIN Personal identity number. Supplied together with SIM card.
Used to unlock the SIM card.
PIN2 Personal Identity Number 2. Supplied by the operator. Used as
special function in protected FDN which is supported by SIM
PUK Supplied together with SIM card. It is used to unlock the SIM
card if you enter the wrong PIN code three times and SIM card
is locked. You can also use it to modify PIN code.
PUK2 Personal unlock code 2, supplied together with a specific SIM
card, and used to modify or enable a PIN 2 code
IMEI International mobile equipment identity, consists of 15 numbers.
One mobile phone has only one IMEI.
MCC Mobile Country Code .
MNC Mobile Network Code .
Call waiting A service supplied by the network，which allows you to receive
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