How to install CM9a (Ice Cream Sandwich) to the 8gb Nook:
For an introduction to rooting and descriptions of other options, see our article… Intro to Rooting & Modding Nook Tablet.
Update 7 Jun 13: ICS is no longer supported. Please visit our guide to install Jelly Bean – https://bishoptec.com/2012/09/root-for-nook-tablet-1-4-3/
Update 15 Sep 12 : The current version of ICS is now 6.1. You can download CM10 (Jelly Bean). It has generally the same issues as the ICS version but offers a nicer interface. I have a step-by-step guide for installing Jelly Bean in a separate article here. See this thread on XDA for more: http://forum.xda-developers.com/showthread.php?t=1877217
Update 15 Jul 12 : You can download CM7b if you prefer GB. Get the ROM here. It will also flash to the INTERNAL memory with this same procedure. You will also need to download a DIFFERENT version of the GAPPS. That file is available here. The special “newboot.img” file is NOT required for CM7.
[warning]This article describes a process that will ROOT the Nook Tablet (8gb or 16gb). See the intro article here for a comparison of this other ROMS. Rooting your device is perfectly legal (at the time of writing) but doing so will most likely void your warranty and also has the potential of “bricking” your device, so you do so at your own risk.[/warning]
After you have read the warnings (and disregarded them), be sure to follow this instruction closely, so as NOT to introduce additional problems in your Nook!
Actually, this process is very quick & easy. It will add some very significant capabilities:
- The addition of the Android Play Store/Market allows the installation of thousands of previously unavailable apps
- You will have the ability to “sideload” apps from other markets (such as the Amazon AppStore)
- You will be using the ICS 3D User Interface (UI) (with an older Gingerbread Kernel)
- Your Nook will be rooted which will allow you to change almost anything on the device
- Plus others.
[important]To see a more complete listing of capabilities and to get more direct support, visit the XDA development thread for this ROM: http://forum.xda-developers.com/showthread.php?t=1534192
BIG THANKS to chrmhoffmann who put this together and makes it available on the XDA thread. Our part here is to provide a simplified guide to installation.
NOTE: This is Alpha software are it probably will time out and stop working about a month from the publication of the each version.[/important]
- Download the ROM file: CM9 (ICS) for the Nook Tablet (8gb/16gb) Release Alpha 0.06.1 (MD5: 14fef50c86f71c659881b3217c234a33) from this XDA thread: http://forum.xda-developers.com/showthread.php?t=1534192
- NT8 Users: Download Succulent’s “newboot.zip” file from this post on XDA.
- Download the Google Apps (zip) from here (find latest CM9 GAPPS here: http://wiki.cyanogenmod.com/wiki/Latest_Version/Google_Apps)
- Have a bootable ClockWorkMod (CWM) Recovery SDCard. See this article for instructions on creating the card. (includes video)
- Backup your existing Nook. See this article for a guide to making a CWM Backup (includes video).
- Have an SDCard with at least 2gb of available storage space. (For backup & to copy the ROM file onto.) This can be the same as the CWM card if there is sufficient storage space available on that chip.
- Optional: Download the compatible (internal) CWM recovery image (MD5: 97635e1cbd8ec55ce419990e0ea0f2ce) from the XDA thread: http://forum.xda-developers.com/showthread.php?t=1534192.
- Copy the downloaded files (still in zipped format) to the root of the SDCard.
- Power off the Nook.
- Insert the CWM (bootable) SDCard into the Nook.
- Power on the Nook & boot into CWM
- Wait until CWM is completely initialized (blue menu appears)
- If using 2 separate cards – switch the cards (otherwise, just ignore this step)
- If you are upgrading from a previous version of this same ROM, then skip this step! Select “wipe data/factory reset” & press the Nook button / Select the “Yes” option and press the Nook button
- Select the “wipe cache partition” and agree
- Select the “advanced” option & then select “wipe dalvik” & agree
- Press the POWER button to go back to the main menu
- Select “install zip from sdcard”
- Select “choose zip from sdcard”
- Locate and select your ROM’s zip file & press the Nook button / Select the “Yes” option
- Wait until the update is complete (CWM menu returns active). This can take a few minutes.
- For NT8 Users: Repeat steps 12-14 using the Newboot.zip file (install it the same way you flashed the rom in steps 12-14)
- Repeat steps 12-14 using the Gapps.zip file (install it the same way you flashed the rom in steps 12-14)
- Press the POWER button to go back to the main menu
- Remove the SDCard from the Nook
- Select the “reboot system now” and press “Nook” button to execute the command.
- WAIT. The first boot after doing a factory reset (or flashing a ROM) will often take from 2-6 minutes (sometimes even longer).
Procedure (how to use it)
- Your Nook should now reboot and come up in the Android setup. You must now complete the setup.
- When you are finished with setup, the Nook will display the new ICS (3D) user interface. It is very interactive and can be changed infinitely. You will also have the Google Play Store and you can install almost every app from there. Finally, you can sideload apps from anywhere you TRUST. I suggest that you install the Amazon AppStore (not on Play Store, you must visit Amazon.com to get it.)
- NEXT, I recommend that you make a BACKUP using CMW. For instructions, see our guide here.
- Then play with the device, add apps, change the wallpaper, etc. When you have changed it to the way you like it, make ANOTHER backup.
- Use as is, change, modify, or flash a different ROM (or even flash back to stock).
[warning]Note: there is no recovery program installed at this point. That is no real problem since you can still use the bootable CWM SDCard to return to recovery. But one should probably install either ClockworkMod (suggested), TeamWinRecoveryProject, or the Stock Recovery.[/warning]
- Optional: Flash the compatible CWM image to the INTERNAL (EMMC) memory:
- Download and install fastboot for your computer’s operating system.
- Boot the device and hold the “n” key to get into the cyanoboot menu
- From the menu, choose “Enable Fastboot”
- On your computer, rename the recovery.x.xx.img file to recovery.img
- In a terminal/command prompt on your computer, cd to the folder where the image is located & run: fastboot flash recovery recovery.img. (With Linux, you may need to prefix the command with “sudo”)
[important]As always, your feedback is important. Please leave a comment and tell us what is good and/or bad about this guide & how it can be improved.[/important]