M-tech M 28, Руководство пользователя

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8.4.2 Preferences
Setup the preferred network. In default, it shows network service of the using
SIM card. choose Option to start settings as below: Add from list: show all PLMN
list:
1
．
Change Priority: to setup network priority
2
．
Delete: to cancel preferred network setting.
8.5 Security Setting
This feature provides some setup options which relate to the safe use of phone.
8.5.1 SIM1 Security Settings
SIM1 card installed SIM card security settings corresponding
。
8.5.1.1 SIM1 lock
It requires input the original PIN code to activate the function. After proper
activating, it requires input PIN code every time power on the phone. It allows up to 3
trials; the PUK code (personal unlock code) will be required after 3 incorrect trials.
Ask network service for support if no PUK code supplied or got lost
。
8.5.1.2 Fixed Dial
For outgoing calls limited (network service). After activated, the phone is limited to
dial numbers in Fixed Dial List. It‟s required to input PIN2 code before setting.
Note:
For the first activation after power on the phone, if it‟s expected to keep
the Fixed Dial List status, please reset the phone after setting, since it‟s not
necessary to re-enter the PIN2 code when edit the list before power off the
phone.
。
8.5.1.3 Change Password
For Pin Code
、
PIN2 code phone lock password changing