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INNO-A21 User's Guide
① Delete and correction of the folder in Data Storage are prohibited.
② When a phone is plugged in a USB cable, all function of a phone do not operate it.
③ While copying files phone-to-PC, you cannot receive a call.
④ In case of using a function of the USB mass storage at WIN 98 or WIN98 SE, you will be able
to download the install files from our homepage(www.innostream.com) or near AS center.
In case of copying many files at a time, it imposes a heavy burden on a Phone. We recommend you
to copy files within 5~6M byte at a time.
The security codes are used to protect your phone and SIM card from other person's use and
control access to security and other options within the menus.
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 10.9.8.
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
PAGE : 18 of 130
3. Security Codes
INNOSTREAM Confidential
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