The unofficial AICP software comes with all the Nougat features for the Nexus 7 2013 model. The update includes battery optimization, split screen, revamped interface, performance tweaks, brand new themes, and all the other Nougat features.

However, the new Nougat custom ROM is an experimental version and may contain bugs in it. It is advised to try the new software at one's own risk.

Google Nexus Devices is among the first devices to receive the new Android Nougat. Unluckily, the Nexus 5 will not be among the devices receiving the update. But Google and other manufacturers always cease firmware support after 18-24 months of a device release.

The new AICP software brings all the Nougat features that will help to enhance user experience.

Things to remember before installing Custom ROM:

  • After installing custom ROM users will no longer be liable to provide updates in future [users can restore warranty by flashing the device with stock-ROM].
  • Device must be rooted before custom ROM installation.
  • New Android Nougat custom ROM series has to be installed on Google Nexus 7 LTE (aka Deb) and Wi-Fi only (aka Flo) 2013 series models only
  • Installation of custom ROM requires a lot of empty memory in the tablet.
  • USB driver should be installed in the PC.
  • Device should have more than 80 percent battery as installation require so much of battery.

Final installation steps of AICP unofficial Android 7.0 Nougat customs ROM on Google Nexus 7 (2013) models:

1: Download AICP (unofficial) Android 7.0 Nougat custom ROM and Google Apps) on to laptop or computer. Scroll down to find the downloadable files

2:After that connect Google Nexus 7 to PC using USB cord.

3:Then Place Android 7.0 Nougat custom ROM .zip file into the device's memory.

4:Switch off the device then disconnect from the PC.

5:Perform regular 'Bootloader Mode' sortie by press holding 'Volume (up)', 'Volume (down)' and 'Power' buttons together.

6:After entering the 'Bootloader mode', go to Recovery mode, then clear the device memory, by choosing 'wipe data/factory reset'.

7:After that clear cache memory by selecting 'wipe cache partition'.

8: Then navigate back to ClockworkMod recovery, and select 'advanced' and tap 'wipe dalvik cache'

9:Finally return back to main recovery screen and then tap 'install zip from SD card'.

10:Then go to Android 7.0 ROM .zip file in storage and enter the installation process. Repeat the same procedure, use Volume keys to navigate and power button to select options

11:Once done with the installation process, then move to '+++++Go Back+++++' then restart your device by opting 'reboot system now' seen in the recovery menu.

The device Google Nexus 7 (2013) will take a few minutes to complete the booting process. To confirm the installation of AICP (unofficial) Android 7.0 Nougat custom ROM custom ROM nightly. 

For your use, here are the links for the installation requirements- AICP [unofficia]  Android 7.0 Nougat custom ROM, Google Apps and USB driver.

Disclaimer: This procedure should only be performed by a person with knowledge of rooting Android devices. If installation process is not followed properly, it might cause irreversible damage.