The Motorola i870 is a clam-style cellular telephone esigned for use with iDEN Networks. It was released for SouthernLINC networks on mid-October 2005, and for Sprint's Nextel iDEN Networks on October 31, 2005 as a replacement for the i860. A variation of this phone, the i875, was released for Boost Mobile as a replacement for the i860 Tattoo.