https://www.ibtimes.co.uk/how-install-android-6-0-marshmallow-mra58k-factory-images-nexus-5-6-7-9-nexus-player-1522717
How to install Android 6.0 Marshmallow MRA58K factory images on Nexus 5, 6, 7, 9 and Nexus Player |...
Oct 6, 2015 - Comprehensive guide to install Android Marshmallow MRA58K factory image on Nexus devices via ADB/Fastboot.