The Nokia 8800 (pronounce eighty-eight-hundred) is a luxury mobile phone produced by Nokia, based on the Nokia Series 40 operating system. The 8800 features a stainless-steel housing with a scratch-resistant screen and has a weight of 134 grams. It was first introduced in April 2005 and was commercially available in the United Kingdom in October 2005 on the O2 mobile phone network.