The T-Mobile comet is also known as Huawei Ideos U8150 made entirely of black plastic around its front and back. The T-Mobile comet is a quad-band and EDGE (850/900/1800/1900 MHz) and dual-band HSDPA 7.2 (1700/2100 MHZ) device. The T-Mobile Comet works perfectly if unlocked with 2G and 3Gnetworks worldwide. Under the hood are a 528-MHz …