Zte AT&T GR225 User Manual page 43

provider manually, you have to manually select again or return to the Automatic
option to select the service provider when you switch to the SIM card of another
network.
The GPRS Connection can be set to When Needed or Always.
• Security settings
♦
SIM lock: If SIM Lock is currently set Off, select it again, then input a
PIN code to turn it on. You need to input the correct PIN code to
unlock your SIM card when you turn on your mobile phone next time.
Note: The PUK code is required to unlock the SIM card if you have incorrectly
input the PIN code for three consecutive times. The PIN code and the PUK code
may be supplied along with the SIM card. If not, contact the network provider.
♦
Phone lock: Phone lock can prevent your mobile phone from
unauthorized use. Select On/Off to enable or disable the handset
lock protection.
♦
Auto keypad lock: Select a time for auto keypad lock, and the
phone will automatically lock the keypad to prevent unintended
touch.
♦
Fixed dial: If your SIM card supports this function and this function is
enabled, the phone can only dial those numbers starting with the
fixed dial number you set. For example, if you set the fixed dial
number to 139, then the phone can only dial numbers starting with 139.
♦
Barred dial: You can edit the barred dial list and set the bar mode.
43