ZTE Corporation GR228 Manuale Utente
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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.
touch.
Change password: You can change the PIN, PIN2 and phone
password here.
Note: You may be required to input the phone lock code in some of the
security settings interfaces. The default lock code is 1234. Go to
Security settings
security settings interfaces. The default lock code is 1234. Go to
Security settings
→Change password→Phone password to
change the phone lock code.
Connectivity
Bluetooth: See chapter “Bluetooth”.
Data account: You can add and view your GSM and GPRS data
Data account: You can add and view your GSM and GPRS data
usage.
Restore factory settings
You need to input the correct phone password, and press
OK
→Yes