The HTC Raider 4G (codenamed HTC Holiday, also known as the HTC Vivid and HTC Velocity 4G) is a smartphone which was released on September 21, 2011, in South Korea. The phone is manufactured by HTC Corporation and runs Android 2.3 with included HTC Sense 3.0. It has since been upgradable to Android 4.0.3 with HTC Sense 3.6 in certain markets. On October 27, 2011, the phone was announced in Canada, with an underclocked 1.2 GHz dual-core processor for Rogers Wireless and Bell Mobility.