User's Manual

INNO 55 User’s Guide INNOSTREAM Confidential
PAGE : 10 of 85
You can change the security codes (except SIM Lock Code, PUK Code, PUK2 Code). For more
details, please see the Security Setting menu in section 9.
3.1 PIN
PIN is Personal Identification Number, used to safeguard your SIM card.
PIN code is composed of at least 4 to 8 digits, and usually provided with your SIM card.
If the PIN code is entered incorrectly more than three times in succession, PIN will be blocked
and your SIM card will automatically lock-up and the Enter PUK screen will be prompted. Once
your SIM card is blocked, you must enter the unblock code (PUK) to use your phone again.
3.2 PUK
PUK is Personal Unblocking Key, used to unblock the blocked SIM card due to incorrectly
entered PIN. PUK code is composed of 8 digits, and usually provided with your SIM card. If the
PUK code is entered incorrectly ten times in succession, PUK will be blocked and your SIM card
will be automatically lock-up and the SIM Blocked message will be displayed. Once you see the
message then you need to contact your network service provider for a new SIM card.
3.3 PIN2
PIN2 is Personal Identification Number 2, used to access specific function of your SIM card, for
example PIN2 code is used to set a Maximum Cost, Price & Unit or a FDN.
PIN2 code is composed of at least 4 to 8 digits, is only available when your SIM card supports
such functions. If the PIN2 code is entered incorrectly three times in succession, PIN2 will be
blocked and the Enter PUK2 screen will be prompted. Therefore those functions cannot be used
until the unblock code (PUK2) is entered.
3.4 PUK2
PUK2 is Personal Unblocking Key 2, used to unblock the blocked PIN2 due to incorrectly
entered PIN2. PUK2 code is composed of 8 digits and it is only used when those functions
mentioned above are available. If the PUK2 code is entered incorrectly ten times in succession,
the PUK2 will be blocked. Therefore those functions can not be used until the unblock
code(PUK2) is entered.
3.5 SIM Lock Code
SIM Lock Code is used to safeguard your phone being used by another SIM card. The SIM Lock
Code is composed of 4 digits. The code is a security code entered when you enable the SIM
Lock menu.