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How to root Google Nexus 9 on Android N NPD35K (Developer Preview) [Guide]

Android-N-Developer-Preview [1]It has been a busy past few days for Google at the annual Google I/O event which I have been following closely on Twitter. Matt Cutts and Danny Sullivan among others have been lapping up the warm weather and sunny skies while posting updates from the event to make anyone envious of not being in the same picture. As usual, we have heard much of what we can expect from Google and all things related to Google for the next twelve months, and one of those things is, of course, the release of Android N.

While we know Android N is coming, the new Android version hasn’t been given on official name so we don’t know what the letter ‘N’ will represent. The Google and Android team usually decide this in office and share the news with us, but this year things are going to be different. The Mountain View company has opened the polls up to the public, and they would like to hear what you want the next version of Android to be called. So far that hasn’t turned out so well, and the leading names are close to terrible, as well as reminiscent of the “Boaty McBoat Face [2]” we heard about not long ago. Hopefully, Google decides to retract the idea of letting the public decide the name much like our Boaty McBoat Face didn’t end up becoming the official name [3] of the ship either.

Here is everything you need to root the Google Nexus 9 running on the Android N Developer Preview with the NPD35K build number by using the updated version of SuperSU application and a custom recovery.

REQUIREMENTS

BEFORE WE BEGIN

HOW TO ROOT GOOGLE NEXUS 9 ON ANDROID N NPD35K DEVELOPER PREVIEWS

  1. Download the SuperSU 2.71 that roots the Nexus 9 on Android N from here [4].
  2. Download the TWRP Recovery file that works for the Nexus 9 from here [5].
  3. Set up ADB on your computer [6] by following our in-depth guide and then come back to this page to continue the rest of this guide to get your device rooted.
  4. Extract the TWRP Recovery file to the desktop of the computer and copy the custom recovery image file over to the same folder as your ADB, so you have them both in the same directory.
  5. Connect the Google Nexus 9 tablet to the computer with the USB cable and then copy the SuperSU 2.71 zip file (still zipped) to the topmost folder of your internal storage SD card.
  6. From within your TWRP and ADB folder, hold down the Shift key and right-click the white background where there are no files and then choose to open a new command window here from the menu.
  7. Type “adb reboot bootloader” to get the Google Nexus 9 in the bootloader mode that is required before the flashing.
  8. Type “fastboot flash recovery twrp-3.0.2-0-flounder.img” to flash your new custom recovery on the tablet.
  9. Type “fastboot reboot” and hold down the hardware button combination for the recovery mode as soon as your tablet first-time boots, so it boots directly into the recovery mode.
  10. Tap on the “Install’ button from the recovery menu and follow the on-screen instructions to install SuperSU on your device.

In conclusion, that is how to install a custom recovery, and then root Google Nexus 9 on Android N NPD35K Developer Preview builds.