Y o u r p h o n eCopyright © 2005 Nokia. All rights reserved. 9■ Keypad lock (Keyguard)You can lock the keypad to prevent the keys from being accidentally pressed.Select Menu > * within 1.5 seconds to lock or unlock the keypad. To answera call when the keyguard is on, press the call key. During a call, the phoneoperates normally. When you end or reject the call, the keypad remainslocked. For Automatic keyguard, see "Phone settings" on page 41.When the keypad lock is on, calls still may be possible to the officialemergency number programmed into your device.■ Change the coversNote: Always switch off the power and disconnect the charger andany other device before removing the covers. Avoid touchingelectronic components while changing the covers. Always store anduse the device with the covers attached.1. Remove the back cover. See step1 of "Install the SIM card and thebattery" on page 1.2. Lift the top cover by the finger grips.