Haier M300, User Manual, Page: 25 / 76

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7.3 Network settings
Set network of SIM 1 & 2 with this function.
7.4 Security settings
7.4.1 SIM1/SIM2 security settings
1. SIM1/SIM2 lock
This option is used to set the PIN code.
The PIN code is used to protect your SIM card from random using by others. If set to on,
access to your SIM card will be restricted each time the phone is powered on.
Note: The SIM card will be locked after entering the wrong PIN code for max retry limits. In
this condition, phone will ask for PUK (PIN unlocking key), which is available from the service
provider.
2. Fixed dial
When Fixed Dial is set to ‘On’, the only numbers that can be dialed from your phone are those
stored in the Fixed Dial List.
Before activate this feature, you must enter the PIN2 code. Please contact the network provider
to acquire PIN2 code.