HackerAttitide’s Super Quick Guide To Making The Nexus 9 Great Again

Personally, I think the Nexus 9 is really held back by hardware encryption. It’s up to you if you want this level of security or not.

Keep in mind that this guide is a super lean read and meant for the experienced.
When you’re done you, if all goes well, you’ll have Android N preview 4 or preview 5 ( Android 7.0 ), no forced hardware encryption, and SU ready to go! Once you’re done you’ll enjoy a very modern feeling device that feels quick and fast. Check out some of our other mods to make it even faster after this!  I’m personally using Build #: NPD90G.  It’s a completely different tablet.  Running a Stock Android N preview 4 with encryption off I was able to get an Antutu score of 99543 on my Nexus 9.  If you do the extras I have at the end of this post you can get 101425 and better battary life by a quick change of the resolution.

Nexus 9 Android N Benchmark no encryptionNexus 9 Android N no encyption lower res benchmark

Android N and Custom Recovery Install

Update: The link to download directly from Google is no longer available.  I wwouldhave suggested using the newest stock Android N however I have not been able to disable encryption on the official release yet.  Here is the link for Android N preview 4.

  • Flash TWRP
    • fastboot flash recovery (TWRP.IMG)
    • restart (power & vol down).  When TWRP boots it might loop a few times on TWRP loading screen.  If it does when you boot it will give you the notice that it can’t mount data.  Swipe to accept modifications to device.
    • format data with TWRP wipe option.
    • reboot recovery
  • Disabling Encryption
    • adb push fedpatcher_v8.zip /sdcard/
    • Flash with Install button in TWRP /sdcard/fed_patcher_v8.zip
    • wipe cache/dalvic
    • Reboot System
    • Setup Android. Check Security and make sure it says ‘Encypt’.  Not Encrypted Device.


  • Rooting Device SU 2.76
  • adb push UPDATE-SuperSU-v2.76-20160630161323.zip /sdcard/
  • Flash SU.zip in TWRP using install

DONE!  You now have what feels like a brandnew device!



Additional Changes:

These are some changes I did to squeze as much out of the device as I could.  Change resolution to 1200 x 1600.   This made my device get a benchmark of 101k, not a huge increase from 99.  However, it seems to get better battery life from what I can tell.

Eitherway it’s rather simple to change in a terminal on or off the device.

Through ADB:

  • adb shell wm size 1200×1600
  • adb shell wm density 225     (NOTE:  I used 225, but  check ou the DPI calculator if you want to try a different one)


Terminal (need root):

  • wm size 1200×1600
  • wm density 225


More to come!



Eddie Dounn

Web developer by day. Enthusiast by night. Owner of VAZED

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