Nexus 4 is the fourth device in Google’s Nexus series. Manufactured by LG, Nexus 4 recently received the latest Android 4.4.3 update. This update has a modified dialer and phone app along with tons of bug fixes. Those who have updated Nexus 4 to Android 4.4.3 might want to root the device. For that, you will have to first install CWM custom recovery. Follow the steps given below to install CWM on Nexus 4 running on Android 4.4.3 KTU84L firmware.