When you want to learn more about how to use your product or you are unsure how your device should function, go to www.nokia.com/support , or using a mobile device, nokia.mobi/support . You can also read the in-device guide. Select Menu > Applications > Help .
If this does not resolve your issue, do one of the following:
Reboot your device. Switch off the device, and remove the battery. After about a minute, replace the battery, and switch on the device.
Restore the original factory settings
Update your device software
If your issue remains unsolved, contact Nokia for repair options. Go to www.nokia.com/repair . Before sending your device for repair, always back up your device data.