Nokia 5210
The Nokia 5210 phone features rubber Xpress-On shells, WAP over CSD and a built in thermometer. The thermometer is actually the internal temperature of the phone's battery, this feature is also present on other phones that have "netmonitor" enabled. The 5210 is nicknamed a "builder's phone" because of its rubber splash/impact proof casing.
Its successor is the Nokia 5100. Quiz Patente%2fgratis.