Installing Android 7 on a Nook HD+ for free

How to upgrade your Nook HD+ to Android 7 (Nougat)


Synopsis: This is a quick guide on how to install Android 7 (‘Nougat’) on a Barnes and Noble Nook HD+ device.  (If you want to upgrade a Nook HD instead, please look at my other blog post, here.)

You don’t need to be a full-fledged hacker to do this upgrade, not at all, and if you have 30 minutes to spare you can breathe new life into your tablet.  Read on to learn how.

Do you have a Barnes and Noble Nook HD+ and are wondering what to do now that B&N has essentially abandoned support for it?

It’s a pity– the HD+ is one of the great values out there, dirt cheap on eBay and with a hi-res 1920×1080 screen display, it’s great for eBooks and videos.

image courtesy of

The trouble is, the OS on the device is a customized version of Android 4.0, several years old and which is rapidly being phased out.  If you go to the Google Play store on the Nook you’ll find more and more apps that claim they’re ‘not supported’ on the device.

That’s not because the hardware is obsolete.  The Nook HD+ has a dual core chip and that excellent HD display.  It may not have all the bells and whistles as the latest Android tablets but it has plenty of horsepower to run most apps.  So if you have one laying around, what to do?

It turns out you can upgrade the Nook to the latest (as of February 2017) Android OS, version 7.1 (‘Nougat’).  To do this you’ll need a microSD card, at least 1 GB in size, and a card reader that lets you read/write to it from a PC.  These items are very inexpensive these days.

There’s a very active community that makes current custom ‘images’ of Android that run on a variety of devices.  Luckily, the Nook HD+ is one of them.  It so happens that Android is an open-source platform, which means Google releases the source code for anyone to modify.  Some enterprising folks have therefore ported the code to the Nook HD and HD+.  If you see the term ‘cyanogenmod’ bandied around, that’s one group that ports Android to various devices.

This blog post is for people who want to move their Nook HD+ device to Android 7 quickly and with as little fuss as possible.  In a couple of paragraphs I’ll show you how to do this, but I’d be remiss if I didn’t first mention a couple of resources that helped me.

There are terrific resources out there on installing Android on a Nook HD+, though it can be hard to find everything in one place.  Let me post the most user-friendly one, here:

Installing Android 5.1 on a Nook HD+

It’s what got me started and is a wonderful resource, though as the title indicates, it’s for Android 5.1 and not 7.

Another resource you might enjoy is a comprehensive beginner’s pdf  attached to this post that discusses how to install Android 5.1 ( ‘cyanogenmod 12.1’ in the community lingo) on the Nook.  It was written by some retired guys who wanted to juice up their old Nook devices and is very beginner-friendly.

Ok, enough of the background and history, let’s get to business.  For those of you who want a streamlined version of how to go to Android 7, start by downloading three files from my dropbox folder.  They’re curated from various Android forums, and are:

  1.— this is Android 7.1, in a zip format, courtesy of a gentleman named  Andrei Măceș, someone very active and respected in this sphere.
  2. emmc-cwm-early3.1.img.gz — this is a ‘bootloader’, something that lets you get the whole process started.  You unzip this, install/flash it on a microSD card and put it in your Nook HD+ and boot from it to get the installation going.   We’ll go over how to do all this.
  3.— this is a package that contains the Google Play Store for Android 7.  With Google Play on the device you can install all sorts of 3rd party apps (Netflix, etc.)  Google Play is your gateway to the full Android ecosystem.

Be aware that these files total 350 megabytes combined, so downloading them will take a few minutes on a good internet connection.  (Just to underline, the files above are for the 9″ Nook HD+.  For the 7″ Nook HD read my companion blog post here.)

Using these three files and the steps below, you can upgrade your Nook HD+ to Android 7.

Start by unzipping emmc-cwm-early3.1.img.gz to a temporary folder on your hard drive with any unzip program you like, 7-Zip or WinRar or take your pick.  Note that the file extracts from 7.5 MB to a ‘img’ file 900 MB in size– that’s some serious compression, so make sure you have room on your hard drive.

What is this 900 MB file that came out of the zip?  It’s the bootloader we’re going to use to start the Android tablet with and get the ball rolling.

With the img file unzipped, you’ll need to write it to a microSD card.  (Again, you can buy these cards and USB adapters for them to plug into your PC very cheaply these days.)

The way I wrote the img file to the card, and the way discussed in the tutorial I linked to above, is to use a free program called win32 disk imager.  This will wipe the microSD card and extract the img file to it in such a way that you can boot from the card.  (If you don’t use Windows, Mac and Linux software is out there that does the same thing.)

Install win32 disk imager on your PC and fire it up and you’ll see a dialog.  Choose the img file you just unzipped and make sure you write it to your microSD card, and _not_ one of your hard drives.


Hit the ‘Write’ button and it’ll take a minute or two to extract the image to your microSD card.  Keep in mind this will wipe out anything on the card, so make sure you don’t have any files on there you need, and once again make sure the drive letter  (F:\ in my example) is that of your SD card, and not a hard drive!

When the image file is written to your microSD card you can simply copy the other two zip files ( and ) to it, simply drag and drop them to the root directory with all the other extracted files.

Once you’ve extracted the bootloader and copied both zip files to the microSD card you’re ready to install Android 7 on the Nook.

Before you start, make sure your Nook is fully charged, as the Android 7 installation can take 30 minutes or so and running out of power halfway through isn’t much fun.  You’ll also want to save any ebooks, videos or other files you want from the Nook to a safe location before starting, as the procedure we’re using here is a fresh start, clear-the-decks installation that will wipe out any data you have on the device.

Once the device has a full battery, turn it off, insert your microSD card and turn it on.  You should see a ‘cyanoboot’ splash screen, which means the bootloader is doing its thing:


I’ll note here that sometimes you may need to reboot the device two or three times in order for it to boot from the microSD card, so if you go straight to the old Nook interface, same as ever, just shut the device down and try again.  Eventually you should hit the cyanoboot screen.

(If you’re really having trouble booting from the microSD card, believe it or not you might try your luck with a different one– Nooks can be *very* picky about the cards they’ll boot from.  Try an older card, perhaps a class 4 vs class 10 one.  It sounds ridiculous but others have had success going this way.  A 4 or 8 GB microSD card is only about $8.00 shipped from ebay, so no harm trying.)

Once the splash screen fades you’ll be presented with a boot menu and options similar to the below.


The way to navigate around the menu is to:

  • Use the volume buttons to move up and down,
  • Use the Nook home button to select the currently highlighted choice
  • Press the power button to go up one menu

The first step  is to wipe the device and start fresh.  Again, that means copying any files you want off the Nook to a safe place beforehand and choosing the ‘wipe data / factory reset‘ option.  Wiping the device will take a moment and you’ll see some progress text at the bottom of the screen as it goes through it.

(Note: the tutorial I linked to above discusses various recovery options and other halfway measures that allow you to upgrade your Nook in-place rather than wipe the data and start fresh.  By all means explore that option if you like, but for me it’s easier to get a clean slate and the general consensus is that it’s the simplest way forward.)

Assuming you’ve wiped the data and done the factory reset, you’ll want to restart the tablet by going up to the root menu and selecting “reboot system now“.  (If, after selecting the reboot option you’re asked any questions or warnings about ‘root’, just say no to them and get the reboot going.)

When the device reboots you’ll return to the root menu.  This time, choose the ‘install zip‘ option and from there choose the external_sd folder.  In there, you’ll want to install the cm_ovation-ota-NMF.161222 zip file:


Give that a minute or two, then return to the same menu area and this time choose to install the open_gapps-arm-7.1-pico-20170203 zip file.  This will install Google Play on the device.

With that done, go ahead and reboot the device, this time with the microSD card removed.  (As with the first time you rebooted, you may be asked a question at this point about ‘root’ needing repair– this is because we’ve removed the SD card.  Go ahead and say ‘no’ to this, if the question appears.  It’s not a big deal either way, just an artifact of our having removed the card.)

The initial boot sequence may take ~10 minutes the first time through as it calibrates in the background, so get a cup of coffee at this point.

You may have to power down and reboot one or twice to get things moving– this is not unheard of, so don’t worry if the procedure seems a little slapdash.

When all is said and done, after 10 minutes and/or a reboot or two you should be in good shape and looking at an Android 7.1 device, with Google Play installed, and you’ll be ready to go.

Update 6/2017– apparently Netflix is now blocking any rooted android tablet from downloading their app from the Google Play store, because of location-specific content restrictions, which is annoying. However, you can still install Netflix on the tablet easily enough, as discussed in this article among many.

90 thoughts on “Installing Android 7 on a Nook HD+ for free”

    1. My apologies for not getting back sooner– if you’d like some confirmation that this is ok to do, please check the comments here, as well as those on my youtube channel– search for “nook android nougat” on there and you’ll find my videos (MrLarryQ author)


      1. I cannot make this work. I have tried two different micro SD cards and my nook hd plus does not reboot with the files I downloaded as you described. Are you leaving anything out, or assuming we know more about this than nothing? Any suggestions?


      2. Hi Susan,

        Can you tell me about the SD cards, what capacity they are? And for the Nook HD+, you should have a file on your SD card with ‘ovation’ in the title. If you have one that says ‘hummingbird’, you have files for the Nook HD, not HD+, and that won’t boot for you. Let me know…


  1. This worked great for me; as advertised. I was looking at not being able to upgrade an app because of the old os; now I can. I won’t miss the horrible Nook os.

    Liked by 1 person

  2. I can’t thank you enough. This process worked great, I have been running Nougat for about a week on my Nook HD+. I am experiencing some minor issues, but nothing that makes me want to go back. Just curious, the file for Android 7 is from December 2016. Do you know if there are any updates and where we can find them? Thank you.

    Liked by 1 person

  3. I was so pleased to find your easy to understand and follow tutorial. I looked at loads of them; but none of them gave me the confidence to go ahead and update my Nook HD+. Thank you so much for taking the time to post the instructions. If someday I wanted to upgrade the Android 7 to the latest version like Floyd above, would I start the entire procedure over and substitute the Inos file for the cm_ovation file or can I install that without wiping the system again? Thanks for any info you can give. I appreciate your time and expertise.


  4. Thank you! I was really surprised at how easy this was as your instructions were nearly spot on. This was a timely find for me as I had just had to factory default my Nook. I went back to load my apps and most were not allowed. I was looking at buying a new tablet when I spotted this article. I’ve got at least 4 more Nooks in the family and I have the SD card all ready to go and rescue them as well.

    Liked by 1 person

  5. Thank you so much for the clear instructions. I have never rooted a device or anything like that before but this was so easy! I do have a slight problem with my SD Card now, though. It was an 8GB SD, but now when I put it into my laptop it shows as ‘Removable Disk (E:)’ [as before] but it now says ‘490 MB free of 856MB’ whereas before I did this it said ‘of 8GB’. It has the original .zip files on it plus a few residual files from the installation, but if I try to format the card Windows only gives the capacity option of 856MB. Is there any way to format the card so that it has 8GB of space again? Thank you very much.


    1. That’s really strange, even when you try to reformat it, Windows says you can only do 856 MB? Doesn’t make sense. What happens if you right-click on the drive letter (E:) in Explorer and choose to reformat it, same problem?


      1. I think that some part of the process (maybe win32 disk imager) created a partition on the card that Windows couldn’t access through the standard right-click>format. I managed to delete the partition and format the card to its original size using a free program called ‘EaseUS Partition Master’ (for anyone else who encounters this). Thanks again for the post – everything else went smoothly 🙂

        Side note: do you have a similarly constructed set of instructions to do a full root on the HD+ ?


  6. I have successfully installed Android 7.1.2 using this, and found a way to install apps outside of Google Play, such as NOOK Reader and NetFlix. But I have found I cannot transfer files via USB from my Windows 10 to my NookHD+.
    It shows up as “Nook BNHD+” in my file explorer, but it doesn’t allow me to explore files or transfer. When I click on it, it shows nothing. Thoughts?


    1. This is an Android thing, very annoying for someone who hasn’t seen it before– what you have to do is tell the Nook HD+ to go into ‘USB file transfer mode’, so that its folders appear in explorer. By default when you connect it to the PC it enters ‘charging mode’.

      The way to copy files over is to connect your Nook to the PC, as you’re doing now, and then swipe down from the top-right of the screen to see the device options (brightness, wifi, battery level, etc).

      At the bottom you should see a section for ‘Android System’ where it says ‘USB charging this device’. Tap that for more options and choose the ‘transfer files’ option– at that point your Nook should appear in explorer with all its folders showing, and you can copy away.


    2. Bill, How did you install the Nook Reader and NetFlix apps? I get an “Incompatible” error message when I try to install it. I’m also having trouble getting Flixter to play my movies.

      Liked by 1 person

    3. Bill, please expand on your procedure for installing those apps outside of Google Play. I want to install the Nook Reader App (better app than Kindle, anyway…) but Google Play tells me that the app is not compatible with my device, which shows up as BN Nook HD+, but greyed out in the drop-down. Any help would be greatly appreciated as I’m getting nowhere with B&Ns support folks.


      1. First make sure that you have “unknown sources” allowed in “security” settings. Then got to (an external source for apps) search for “yalp store” (allows you to download Google Play apks directly). Search for any apps available from the Google Play store and install.


  7. Thank you for the great instructions they worked flawlessly on the Nook HD +. Has anyone tried using the HDMI connector afterward? I just picked it up and I can’t get it to display. I was wondering if part of the software is missing from the original?

    Liked by 1 person

  8. Appreciate your help! Found one on Craiglist for $50 and now my kids have a pretty kick@$$ tablet that I can occasionally get them to use for education purposes this summer, lol!


  9. Mine installed successfully But the tablet is very slow. Twitter and YouTube always crash when I use them. The only app that runs well is clash of clans, a not very power demanding game. But even getting to the app is slow, unlocking the tablet or waiting for the screen to rotate takes forever. Has anyone else had this problem and can it be fixed?


  10. My nook is flatly refusing to boot from the SD card — I’m using a Class 4 16GB Sandisk Micro SDHC card for the purpose, and after a dozen attempts I’m still getting the regular Nook screen. Anything that I should be checking?


      1. Found the problem — I have a 7″ Nook, not the 9″, so I needed Hummingbird, rather than Ovation. Going through the final stages right now, looking as though it’s licking its lips. Things are looking good, at least.


    1. When trying to boot the tablet from the SD card, you need to hold down the ‘lower volume’ button at the same time as turning on the machine. Then it will display the screen with the various menu options, as per the instructions


  11. And it’s working great — thanks so much for this, it made the process much less intimidating! It might be worth adding a note about the difference between Hummingbird and Ovation, though., and that you’ll require slightly different files than the ones that you supply for a 7″ Nook.


  12. Thank you so much. I installed Cyanogenmod Android 4.4.1. But it was so slow to use practically. Now it is in Android 7.1 version and is pretty fast and nice. Thanks a lot for the great explnation. I agree that you should make clear distinction in description pages for Hummingbird (HD) and Ovation (HD+) versions.


  13. The process worked great. Took awhile but it worked and now my Nook HD+ is an Android 7.1
    One problem is that I get a “incompatible” message when I try and install Nook for Android app from Google Play. Is there a way to get it to install.
    Thanks Mike

    Liked by 2 people

    1. I’m having the same problem. I am really impressed with how well the OS change went following these directions, and the tablet runs so much faster than it did, it’s a joy to use… even with Firefox browser! But I can’t install the Nook Reader App from Google Play. It won’t find a compatible device, and the “BN NookHD+” in the drop-down is greyed out. HELLLP! I’ve got a really sizeable B&N library and four subscriptions to newspapers and magazines I don’t want to lose.

      Liked by 1 person

      1. First make sure that you have “unknown sources” allowed in “security” settings. Then got to (an external source for apps) search for “yalp store” (allows you to download Google Play apks directly). Search for any apps available from the Google Play store and install.


    1. Yes, following the steps in the tutorial will completely wipe your tablet. That’s why I discussed copying your books/movies/music/personal files off it before doing anything. That said, I’m not sure how any files could remain afterward– which of your old ones are you seeing?


      1. that’s the point, i just buy it, and i want to format all in the device but there’s old pictures and is using about 16gb, approximately how space use this android ? because i think maybe could be more files


  14. Installed this last night on my Nook HD+. Great step by step process, it was super easy! I’m excited about the new possibilities with my tablet.

    Liked by 1 person

  15. Thanks a bunch, great blog – exactly what I was looking for! Can’t wait to try it out, but one question first. What would be the process to take the HD+ back to factory state?


  16. Install the “cm_ovation” NOT the newest “Inos_ovation”. “Inos_ovation” makes the system slower for me and causes the dreaded “will not boot the image from the SD card”. After I figured this, I had to reboot 8/9 times to get to the boot menu. So I could reinstall “cm_ovation” again. Both have issues “shutting down” using the android power menu. Pressing “shutdown” seems to do a “restart”, so I have to press the power button for 18-20 seconds to do a “hard” shutdown I guess.


    1. Yes, shutting down the tablet is a little picky– my way of doing it is similar to yours; I choose ‘restart’ and then when the android robot appears in the subsequent bootup, I hold the power button down for 5-6 seconds. It’s annoying but it works.


  17. i tried to go through the instructions. When I got to mount external sd card, the mount failed.
    I purchased MYMAHDI 16GB 16G Micro SDHC Class 4 TF Memory Card with Micro SD Card Reader – Bulk Packed from amazon. My nook didn’t have any trouble booting from the card. I probably need to check how the micro-sd card is formated.

    Also, the wipe data/factory reset — removed the applications, and caused the device to reinitialize when restarting — but it didn’t remove application data. My primary use of the tabled was Audible, and the content was still present after reinstalling the Audible application.

    I don’t know if or when I will try again, my chief driver was the slowness, and the non-responding dialog.
    I installed the SANSDISK guide recommended 128 GB SD card. And putting audible content there, and removed
    all the audible content. The internal SD was showing about 5% usage, and my slowness issue has seemed to resolve.


  18. Wacky,
    Thanks for the tip about Yelp. Sadly I can’t find the Nook Reader app, only the Nook audiobook app. Any idea where I can get the Reader app?


  19. I keep getting the following error:

    Finding update package…
    Opening update package…
    E:Can’t open /external_sd/
    Installation aborted.

    Can you help with this issue?


      1. For some reason the Dropbox file downloads didn’t work for me either – the files were all between 70-250 kb instead of the expected sizes. I had to download the LineageOS image prefixed with lnos from the link up-thread and do a web search on the other two filenames to get valid copies.

        But then everything worked perfectly, so thanks so much for the excellent instructions!

        Liked by 1 person

      2. Turns out my downloads were all messed up that day. Re-downloaded and followed the instructions. Everything is working perfectly 🙂 I love my Nook again 🙂

        Liked by 1 person

  20. Will I be able to go to the Nook main page, store etc. Somehow I thought this would just update the Google Play store alone not change the nook into a Android tablet?


  21. Downleod works but its has used up almost all my ROM. I’m assuming that this is just a glitch and will try and install again. Does anyone know how to uninstall and start again?

    I’ve tried using the factory rest but it doesn’t do anything


  22. Your instructions were super clear and easy to follow and it was nice to be able to easily locate the needed files. Thanks for taking the time to do all of that, I can now use my Nook HD+ with that beautiful large display again !


      1. I was actually able to figure out the f-droid site, I had to install a yalp store app and then find the netflix apk from there. Took me a while to figure it out. So all is good there. Now when I turn on the tablet I still get a Nook splash screen before the cyanoboot takes over. Is that normal? I should mention that I had previously rooted the nook with an old AFN (Android For Nook) and AFN is not on the web anymore. That was a dual boot setup, it would boot Android 4.something from the card but could also go back to Nook OS. I’ll also mention that I used a Sandisk class 2 8GB card for this install and it worked OK. AFN had made the same point about not using class 10 cards so I was aware of the issue.


  23. Hi. I tried a SanDisk 16GB micro sd and another one that was 2 GB. They both were large enough to put the emmc, ovation and open gapps files on it, but my Nook just keeps turning on with the standard log in screen and not booting with the cyanoboot screen. I thought your instructions were great, but the end result just did not work for me.


    1. Sounds like you’re hitting all the right notes; not sure what the problem might be. If you like, you can mail me one of your SD cards with the files on them and I can try it here. This is for the Nook HD+ and not the HD, correct?


  24. Ok, got the Nook HD+ updated. Great instructions, though perhaps a bit verbose at time. Probably fine that way given how well you hand hold us relative newbs thru the process..

    Next up, how does one go about updating the update? Presumably one doen’t have to wipe the Nook each time… I gather it’s not an OTA process… Can they be downloaded on the tablet and installed, or does one just put the update on the card, and remove the old one? Where does one get the updates?

    Basically, any hints on staying updated would be appreciated.


  25. Hi,

    I am having real problems with this installation. I am getting as far as booting up in Cynaboot, but when I reach install cm ovation file, I keep being told that ‘no file has been found’. I’ve checked the file, and the full unzipped file is on the micro sd card. Am I doing something wrong?



    1. When you plug your micro sd card into the computer, can you tell me what you see on it? Meaning, could you list all the files and directories you see? I want to check that you have all the expected files on there, in the correct locations.


      1. Hi,

        Do you mean during the install process, or when the files are copied on to my sd card? With all three files on my sd card, I can see on cm ovation: boot img, file contexts bin, install (with a sub file bin), meta info, system, system new dat, system transfer dat and system patch dat, file size 563.7mb. On open gapps I can see: 15 files, with the main files core. gapps, meta info , and optional, file size 124.8mb.

        I have formatted my sd card with sd formatter, flash installed the boot loader file with Etcher (I am using a MacBook Pro), and copied the other two files to the sd card. When I’ve tried to install on the Nook, cynaboot loads, and after wipe and system reboot, I click on external sd, then install, the next file is BIN, clicking on that brings up ‘No files found’. I’ve tried the other open apps file, same result.

        I thought the problem might be my mac, which automatically unzips files. So after downloading these two files from your dropbox, I’ve compressed them again. This works better, in so far as the install file is recognised as it goes to install, which is quickly followed by ‘installation aborted’. So no luck, compressed or uncompressed

        I even downloaded the files on my Nook, once I had restored it. I transferred the files, downloaded as bin and bin 1, to my sd card, rebooted, and…same end result, no files found. I can’t think what the issue is, as your instructions are admirably straightforward (thank you for that), but the two files don’t seem to be recognised after system reboot. I’ve tried rebooting a few times – no change.

        I am at a loss as to what to do next. It seems that the boot loader file works, but the other two files don’t.



  26. Hi there, I guess I’m one of those who needs a bit more hand holding!

    I downloaded your dropbox files and 7-zip program. I cannot get 7-zip to do anything with the emmc-cwm-early3.1.img.gz file. Can you walk me through this? I’m feeling pretty stupid right now, as I have unzipped files before! Thanks!


    1. Are you getting an error message when you try to unzip it, or nothing simply happens? If 7zip isn’t working, could you try using WinRar, as also linked in the article?

      What’s the size of the emmc-cwm-early3.1.img.gz file on your hard drive?


      1. I don’t know why, but unzipping with 7-zip wouldn’t work, but it did work with winzip, so everything since then has worked exactly as you explained.

        I did run into a hitch when trying to load the nook reader back on using the yalp store, (choice to download to nook was grayed out) but when I tried it via, it downloaded easy as pie and I’m back in business. Thank you so much for your detailed instructions, and for your willingness to help so many people through this! Much appreciated. 🙂

        Liked by 1 person

  27. What exactly does it do to the Nook HD plus when I install Nougat? Is that the same as rooting?
    Once Nougat is installed, does it remove all Barnes & Noble apps?
    Once Nougat is installed, do I always have to keep the micro SD card in the tablet or can it be removed and a larger class 10 be used as storage?
    I understand that Beefy x and B&N reader will be missing, and that I can get them again. Is there anything else that will be missing?

    I use the HD plus primarily as an e-reader, but my husband uses it for watching videos. Is there a downside to installing Nougat?
    Thanks for your great explanations and all your work.


    1. Hi Patti,

      Installing Nougat does wipe your tablet clean. That means a new version of Android, all apps and documents wiped out. You would need to reinstall them and put your eBooks and videos back on there. That’s why I emphasize in the tutorial the need to back up your personal files before doing anything else.

      Once you follow the instructions, you’ll have the Google Play store on the tablet, so reinstalling apps is no big deal, with the exception of Netflix and possibly a couple of others. That’s because Netflix has location-specific features in their app, and if they don’t recognize your device when trying to find them in the Google Play store, they hide the app. But, that’s ok, because if you go to sites like, they keep the latest versions of such apps available and ready for download, so you can get them with no issues.

      After you install Android on the tablet from your SD card, you can repurpose the card however you like, you don’t need it for booting anymore.
      Hope this helps….


  28. I am Upgrading my nook HD+ at the moment ,,, I followed the instructions and everything is clear and easy to do, but the problem is when I started installing the first file ( ovation ) it went half way through and stopped ,, I am waiting for more than 30 minutes now and its not moving,, is this normal ? I took out the SD card and started over again but the same thing happened , its stops at the line ( patching system image unconditionally) what should I do now ? Please help me


    1. Hi–
      Sorry to hear about your trouble. A couple of things you can try:

      Head over to this location and grab the file beginning with ‘lnos_ovation_ota’ and substitute it for the ovation file described in the tutorial. This is the most recent version of the android OS for the Nook, and could get you unstuck.

      From there, begin fresh with the instructions– reformat your SD card and unzip/copy the files over as instructed in the blog and give it a shot. Make sure of course that your Nook is fully charged.

      If that fails, I’d try a different SD card and give it a whirl again. Most people don’t have your trouble, but when they do the SD cards are often the culprit. Let us know how it goes..


      1. I started by formating my SD card and downloaded the file you told me about ” ions” and it worked , the whole process did not take 15 minutes , thank you for your great help and clear instructions, my nook looks much better now 🙂
        Thanks alotttttt

        Liked by 1 person

  29. I’d like to report success on an HD+.
    I backed up the entire Nook with ClockWorkMod first, then did the install as outlined here using Startup Disk Creator on a Sandisk 2G card. The main applications I use are Firefox and ES File Explorer, both installed and worked perfectly. Could not get the B&N Nook Reader for Android but at Larry’s suggestion installed APKPure with Chrome, then the NOOK App for NOOK Devices from that site. Used the Nook app to log into B&N and it synced my library OK, even the annoying encrypted PDF books.


    1. I do have a problem with shutdown. Instead of shutting down it does a restart. I use my HD+ infrequently and usually shut it down by pressing the power button until I get a shutdown/restart requester then touch shutdown. But I found after a few days the battery is drained because it didn’t. It does appear that holding the power button for a longer time does do a shutdown.


      1. That’s a common problem. What works is instead of hitting shut down, choose ‘restart’. Then, when the tablet reboots and you see the cyanogenmod logo appear (or lineage logo, if you’re using that) hold the power button down for a few seconds– the device will shut down then.


  30. Had an old HD. So used your blog and it worked so well I did the HD+. What could be easier? You have put to geather a simple procedure and made it easy to locate the software with your dropbox. Thank you SteveMc


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