Maxcom MM821BB Manual page 42

locked SIM card PIN code. Ask to service
supplier for passwords if they don't come with
SIM card.
²
Mobile phone safety setting：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.
Auto keypad lock:Can close or open an automatic lock
keyboard time.
Connectivity
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