BlackBerry Mobile today said the Verizon-ready, CDMA model of its KEYone smartphone is available at Best Buy stores. The phone is sold unlocked with support for Verizon's 3G and 4G networks. Earlier versions of the KEYone supported only GSM-based 3G service. The KEYone runs Google's Android operating system with BlackBerry Mobile's security and communications software on board. The phone's defining feature is the physical QWERTY keyboard. It costs $549.