Nexus 5 is powered by a powerful Qualcomm Snapdragon 2.3GHz quad-core processor, 2GB of RAM and an Adreno 330 GPU. The 4.95″ True HD IPS Plus display has a resolution of 1080 x 1920, with a pixel density of 445 ppi. Storage comes in at either 16GB or 32GB. Other features include an 8MP camera, LTE connectivity and a 2300mAh battery.
Google has released the official version of the Android 5.1 for the Nexus 5 via the factory image. This factory image can be used to manually install the Android 5.1 on the Nexus 5. The OTA will be out in few days. But interested users can install it now itself. Follow the guide below.