When the Nook Tablet first came out it had very reasonable specs for this era. It had a dual-core 1GHz TI OMAP4 processor, 1GB of RAM, and 16GB of storage expandable via an SD card slot. Many people were attracted to it because of the IPS display which provided a great experience for watching movies or reading e-books.
You can find all the instructions and files you need to install Marshmallow on your Nook Tablet by clicking HERE.
Michael Kozlowski is the Editor in Chief of Good e-Reader. He has been writing about audiobooks and e-readers for the past ten years. His articles have been picked up by major and local news sources and websites such as the CNET, Engadget, Huffington Post and Verge.