Downgrading Nexus 7 Wifi (2012) tablet from Android 5.x to 4.4

Downgrading Nexus tablet from Android 5.x to 4.4 couldn't be easier.

• Download pre-made image from Google; https://developers.google.com/android/nexus/images
• Extract the image
• Keep down Power+VolDown to enter recovery mode
• Attach tablet to your PC via USB
• Make sure you have adb-tools -package installed in Linux
• Become a superuser; sudo su and cd to Android 4.4 directory
• type in the following command, ./flash-all.sh

That's it!

I hope from now on my "old" Nexus 7 Wifi (2012) is quicker and more responsive. Android 5.x was a bit too much.

Android 5 was too heavy