For those of you who want to try out the latest Android N Preview, here’s how to do it easily. This will work on all Nexus devices but as of today, Android N Preview is only available for Nexus 6P, Nexus 5X, Nexus 6, and Nexus 9.
Before we begin, please BACKUP EVERYTHING as you may lose all your data when installing the firmware!!!
Also, you will need a rooted Nexus device with unlocked bootloader, so please don’t try this unless you have already rooted your Nexus device!
Step 1. Power off your phone or tablet then hold down Volume Down and Power buttons for about 5 seconds until you enter the fastboot mode.
Step 2. Once in fastboot mode, connect a USB cable from your Nexus device to your computer.
Step 3. Download the latest Android N Preview for your Nexus device here. Also, if you want to ever go back to regular Android Marshmallow, download the factory firmware for Marshmallow here. (You can use this guide to also go back to regular Marshmallow, instructions are exactly same for both Android N Preview and regular factory firmwares.)
Step 4. Also download “usb_driver.zip” and “fastboot.zip” then unzip both files into “usb_driver” and “fastboot” folder like shown below:
*Note – You don’t need drivers for Mac or Linux, so just download “fastboot.zip” only.
Step 5. If using Windows, you will also need to install Android ADB drivers. Go into “Device Manager” and install the drivers, you should see “Android ADB Interface”.
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