This brings back fond memories of the Nokia 5310 XpressMusic [1] that I used for two years. The battery lasted a week, and using T9 on that phone was the fastest I've ever typed on a mobile device. It's nice to know that the 215 exists if I ever want to return to those days.
1. http://www.gsmarena.com/nokia_5310_xpressmusic-2087.php