Maxcom MM 819 Manual page 31

Security settings

SIM security: SIM card PIN1 code： To enter PIN
of SIM card. If password protection function,
the screen would display "input SIM card PIN"
when power on. The password would be covered by
"*". PIN code can be given while you get SIM
card from network operator.
SIM card PIN2 code
special function (like billing call offered by
network).
SIM card
SIM card PUK code is necessary for changing
locked SIM card PIN code. Ask to service
supplier for passwords if they don't come with
SIM card.

Phone security：Open/close phone lock. Phone
lock is a 4-8 digit password, and its default
is "1122" until you change.
Attention：Change password: you can change default
password "1122" into a 4-8 digit password you like.
If phone lock is used, the mobile phone would display
"the phone is locked" when power on. Please unlock
by pressing right button or # key.
： The PIN which is necessary for using
PUK and PUK2 code（8 char）
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