Nexus 9 is manufactured by HTC. It features an 8.9″ IPS LCD display with 1536 x 2048 resolution. It’s powered by an Nvidia Tegra K1 dual-core 2.3GHz processor and 2GB of RAM. Internal storage is available in either 16GB or 32GB. The Nexus 9 features a large 6700mAh battery, and 8MP camera, with 1080p video recording, along with a 2.1MP secondary front facing camera.
Previously, we saw how to install Android M Developer Preview 3 on Nexus 5 and Nexus 6. Nexus 9 has also received it. This Developer Preview is the closest to full version of Android Marshmallow and contains very less bugs. Follow this guide to install it on Nexus 9.