Optimus S features minor hardware differences. This device has four distinct hard keys and a metal accent that covers the top of the device and one-third of each side. The 3.5mm TRS connector, the power button and the volume buttons are all incorporated into the metal band. There are also two hard keys on the right side of the phone. One button activates the voice dialer and another activates the camera. The "Menu" and "Home" buttons on the S are transposed as compared to all other variants of the Optimus One. LG Optimus 3G: Telus Mobility released this phone for the Manitoba and Northern Ontario regions, where only Telus' CDMA network can be used. It is a variant of the LG Optimus S. The Optimus 3G was unavailable at Koodo Mobile, a Telus brand. Sales of this phone in Canada have now been discontinued. LG Optimus C: Cricket Wireless launched this phone on March 17, 2011. LG Optimus M: MetroPCS launched this phone in silver on November 24, 2010. Unlike other CDMA variants of the Optimus One, which support the EV-DO Rev. A standard, the Optimus M supports only the slower EV-DO Rel. 0 standard. In addition to supporting 800 MHz cellular and 1900 MHz PCS radio frequency bands, the Optimus M also supports the 1700/2011 MHz AWS frequency bands. LG Phoenix: available from AT&T Mobility in the United States, and from Rogers Wireless and Chatr in Canada. It was released on May 10, 2011 for Rogers and since August 2011 for Chatr. Canadian mobile virtual network operators which resell Rogers Wireless services, such as SearsConnect, also offer the LG Phoenix. The phone's colour is blue. LG Thrive: released in silver, it is similar to the LG Phoenix, but designed for AT&T's prepaid GoPhone customers. LG Optimus T: released by T-Mobile USA in black, titanium and burgundy on November 3, 2010. LG Optimus U: released by US Cellular in black on December 13, 2010. LG Optimus V: released by Virgin Mobile USA in black on February 1, 2011. The Optimus V has few applications beyond a "stock" version of Android 2.2. LG Vortex: Verizon Wireless released this phone in black and violet on November 18, 2010. Successors LG Optimus Chat The LG Optimus Chat features a physical keyboard and a smaller, 2.8-inch touchscreen. LG Optimus Chic The LG Optimus Chic features a camera with a higher 5 megapixel (MP) resolution