The Siemens M55 was a mobile phone introduced by Siemens in 2003. At the time, it was a high-end phone and one of the first color phones by Siemens, with a 4096 color screen. It was a lower-end counterpart of the Siemens S55, with Bluetooth and infrared connectivity removed.[1] It had a 700mAh battery and no video recorder. Fully charged, it could last around 11 days without charging. There were two models of the M55: one with an orange keyboard and the other with a grey keyboard.[2]