Android N Developer Preview (NPC56P) is now available for download. Nexus 5X, Nexus 6P, Nexus 6 and Nexus 9 have been supported with this preview. You will notice that the Nexus 5 is no longer in this list. The Nexus 5 was truly an astounding phone and seeing it go through more than three years of support was surprising. Along with that, Nexus 7 (2013) has also been dropped from the compatibility list. Hence, giving us a clear idea of which devices will get Android N final build.
For users looking to install the Android N Developer Preview on their Nexus device should use this guide to first download the factory image. Once downloaded, you will be then able to flash it like any other official image from Google. Do keep in mind, your bootloader should be unlocked before you proceed with the installation. You can directly download Android N Developer Preview (NPC56P) from the links given below.
Download Android N NPC56P Developer Preview
Here you have the direct download links for all supported devices. As mentioned previously, Nexus 5 and Nexus 7 (2013) have been dropped so no further software updates for them.
Download Android N NPC56P for Nexus 6P: angler-npc56p-preview-85ffc1b1.tgz
Download Android N NPC56P for Nexus 5X: bullhead-npc56p-preview-6c877a3d.tgz
Download Android N NPC56P for Nexus 6: shamu-npc56p-preview-54b13c67.tgz
Download Android N NPC56P for Nexus 9: volantis-npc56p-preview-0e8ec8ef.tgz
Download Android N NPC56P for Nexus Player: fugu-npc56r-preview-7027d5b6.tgz
Download Android N NPC56P for Nexus Pixel C: ryu-npc56p-preview-335a86a4.tgz