The LG K series is a line of mid-range smartphones which are designed, developed and marketed by LG Electronics, which run the Android mobile operating system. The K Series, which launched in January 2016 with the and K10, was followed by the , later that same month. The K8 debuted soon after in February that year, finishing out the 2016 lineup with the K3 in August. Carriers include: ACG, AT&T, Boost Mobile, Cricket, LRA, Metro by T-Mobile, Republic Wireless, Spectrum, Sprint, T-Mobile, Unlocked, US Cellular, Verizon, Virgin Mobile, and Xfinity Mobile.