Keypad lock
To prevent accidental keypresses, select Menu, and press * within 3.5 seconds to lock the keypad.
To unlock the keypad, select Unlock, and press * within 1.5 seconds. If the security keyguard is on, enter the security code when requested.
To set the keypad to lock automatically after a preset time when the phone is in the standby mode, select Menu > Settings > Phone > Automatic keyguard > On.
To answer a call when the keypad is locked, press the call key. When you end or reject the call, the keypad locks automatically.
When the device or keypad is locked, calls may be possible to the official emergency number programmed into your device.
Functions without a SIM card
Some functions of your phone may be used without inserting a SIM card, such as Organiser functions and games. Some functions appear dimmed in the menus and cannot be used.
Applications running in background
Leaving applications running in the background increases the demand on battery power and reduces the battery life.
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