How to Root the Nexus 7 Razor (2013 version) running Android 4.3 OS
Now that you have a custom recovery on your Nexus 7 2013, only one step separates you from trying out new custom ROMs of your choice – rooting the Nexus 7 2013. The guide below should help you root it in no time and you can proceed to installing root-requiring apps, overclocking/underclocking your device and much more.
I. Before You Begin
1. You will need a device that is bootloader unlocked and has a custom recovery. Use our guide on the same for help with this.
2. Charge your device to 75% or more before you begin.
3. Although not mandatory in this case, backing up your important data is a good idea before you embark on this procedure.
II. Necessary Downloads
III. Rooting the Nexus 7 2013
1. Connect your device to your PC using a compatible microUSB cable and copy UPDATE-SuperSU-v1.51.zip to your device’s SD card.
2. Boot your device to TWRP Recovery. To do this, power down the device, press and hold the Volume Up + Volume Down + Power buttons until you see the bootloader screen, use the volume keys to navigate to Recovery mode and press Power to enter recovery.
3. Once in TWRP, tap on Install and navigate to the location of UPDATE-SuperSU-v1.51.zip and tap on it to add to the flash queue.
4. Swipe from let to right where it says Swipe to Confirm Flash to begin the process.
5. Go back to the main menu and tap on Reboot, then System to reboot your device.
Once your device reboots, your new Nexus 7 should be completely rooted!
If this procedure helped you please thank/donate to the original developers here.