But alas, the firmware is locked down. Enter the NexMon project. If you’ve got a Nexus 5 phone with the Broadcom BCM4339 WiFi chipset, you’ve now got a monitor-mode, packet-injecting workhorse ...

This "pure" Android phone designed to Google's specs is based on the LG G2 and has many improvements over the Nexus 4, including 5" full HD display, 4G LTE, and a Snapdragon 800 processor.