To protect a Sony Ericsson W580i phone from intruders, you can regularly lock your device. Locking your devices will disable anyone from gaining entry into your phone. This precaution can be valuable if your phone is lost or stolen, because your contacts, media and messages will be safe from viewing. Although having to unlock your phone each time you want to send a message or make a call is a bit of a hassle, it is necessary to protect your device.
Instructions
1. Press the "Menu" key while in standby mode.
2. Select "Settings." Select the "General" tab.
3. Select "Security." Select "Locks," "Phone Protection" and "Protection."
4. Select the option "Alternative" to remove the basic "0000" lock code from the device.
5. Enter a four- to eight-digit unlock code for the device in the appropriate field.
6. Press the "OK" key when you are finished. The phone will prompt you for the password before you can gain entry into the device.
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