Nexus 4 users who missed the OTA update notification or cannot wait for its official release, may follow our step-by-step guide to install the update manually.Pre-requisites1. Install the Android SDK. The package includes the necessary drivers for connecting Nexus 4 to the computer.2. Make a backup of all your important data before following the guide.3. Enable USB Debugging Mode on the phone. Go to Settings >> About Phone. Tap on Build Number...
