Nexus 7 is powered by a 1.2 GHz quad-core Cortex-A9 processor, 1 GB RAM and has 8 and 16 GB internal storage options. It has a 1.2 MP rear camera and 4325 mAh battery. It ran on Android 4.1 at the time of its launch but it can be officially updated to Android Lollipop.
Previously we saw how to install Android 5.1 on the Nexus 5. The same can be done even on the Nexus 7 2012 version. Google has released the factory image for this device. Follow the guide below to install Android 5.1 on the Nexus 7 2012.