Number Location; Network Setup; Security Settings - YAKOYA S1 User Manual

mode, LCD backlight, and the main menu theme.

2.6.4 Number location:

This feature allow you to know the location of a specific phone number;
by entering search menu and input the phone number, then search.
2.6.5 Network settings:
 SIM 1/2 Network settings:
Network selection: Set the method of selecting networks to
Automatic or Manual.
Preferences: Pre-save some favorite networks.

2.6.6 Security settings:

2.6.6.1 SIM1/2 security settings:
SIM Lock: You can set security settings in this menu to prevent
your mobile phone from being used illegally.
Fixed Dial: You can dial only the allowed number if this function is
supported by SIM card. In case the function is on, you can only dial
numbers in the list, or some numbers of which with the same
beginning numbers defined in the form.
Change Password: Change the Password of the SIM 1 and SIM 2
including PIN, PIN2.
2.6.6.2 Phone lock: The phone lock can prevent your mobile phone
from being used illegally. Selecting phone lock can activate handset
code-protected function, next time when you power on your mobile
phone, handset code will be requested. Press it again to deactivate this
function. Default handset lock code is 1234, please change it to be
your own code.
2.6.6.3 Auto keypad lock: Set the waiting time for locking the keypad.
After setting, keypad will be locked automatically
2.6.6.4 Change Password: Change the Password of the phone. The
default password of phone is 1234.
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