Nexus 4 has a 4.7″ 720p display, delivering 320 ppi. It is powered by a 1.5 GHz quad-core Qualcomm Snapdragon S4 Pro processor, featuring four Krait cores and the class-leading Adreno 320 GPU. In addition to the fast processor, the Nexus 4 also packs 2 GB of RAM and either 8 or 16 GB of internal storage.
Google has stopped seeding official Android updates for Nexus 4. However CyanogenMod have not. Their latest ROM – CM 13.0.1 is available for Nexus 4. It will update Nexus 4 to Android 6.0.1. If you want to install it, follow the guide below.