The Siemens

Siemens AG

Siemens AG is a German multinational conglomerate company headquartered in Munich, Germany. It is the largest Europe-based electronics and electrical engineering company....

 S55 was one of the first true colour phones, by having a 256 colour screen. Its contemporary, at its release in late 2002, was the Ericsson

Ericsson

Ericsson , one of Sweden's largest companies, is a provider of telecommunication and data communication systems, and related services, covering a range of technologies, including especially mobile networks...

 T68, with similar comprehensive features, such as Bluetooth

Bluetooth

Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances from fixed and mobile devices, creating personal area networks with high levels of security...

 and infrared

Infrared Data Association

The Infrared Data Association defines physical specifications communications protocol standards for the short-range exchange of data over infrared light, for uses such as personal area networks ....

.

It was a high end business and leisure phone at the time, eventually becoming superseded by phones with improved screen clarity, increased colours and pixels, such as 4096, then 65K screens.

At its release it had features previously unknown to any mobile phone of its size, including:

• Internet surfing.
• Games in color.
• Audio recording.
• Advanced calendar.
• GSM Tri-band 900/1800/1900 MHz