In honor of the 3G-enabled Nokia 3310, we wanted to trace the history of one of the best-known phone models. What made it so popular and is it still relevant today? Our story begins with the Nokia 3110, the first phone to feature the Navi-Key, a smart button below the screen whose function changes in each menu (the label on the screen tells you its current function). This became the primary way to navigate Nokia's feature phone interface, surviving well into the touchscreen era (when the physical button was replaced by the touchscreen itself). Nokia 3110 Two years later came out...
Source: http://www.gsmarena.com/counterclockwise_nokia_3310_and_and_its_family_tree-news-27507.php
