Get familiar with the home screen in your device. Learn how to personalise the home screen to make it yours. Also learn how to set an alarm using the home screen. The C5 is the first offering in Nokia's new "C" series of mobile phones. It runs on Nokia's Symbian OS and features a 2.2-inch screen and 3.2-megapixel camera. Want more? Search WonderHowTo's sizable collection of C5 video tutorials.