When Ericsson launched the T28 in 1999, it was the lightest and slimmest phone on the market. It was also the first handset ever to use a lithium polymer battery. The T28 was a premium device -- Ericsson described it as "designer technology", and it was successful with business executives before the Blackberry became popular. Unlike its bar-shaped competitors, the T28 was immediately recognizable by its signature antenna stub and "active flip" keypad cover. Ericsson packed the phone with state-of-the-art features like voice dialing and an optional Bluetooth dongle. It came in three versions: T28s (GSM 1800 / 900), T28z (GSM 1900) and T28 World (GSM 1900/900). Our