Sunday, November 17, 2013

Back to stock firmware for nook tablet / unbrick nook tablet

source: http://forum.xda-developers.com/showthread.php?t=1663836

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aspipatel
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(Last edited by aspipatel; 4th July 2012 at 03:28 PM.)
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Wink [UNBRICK] Your Bricked Nook Tablet 8/16 GB Step by Step on Windows Vista/7

Thanks raywaldo, Meghd00t and todd3835

Step 1:
  • Download this BN factory recovery 1.42 file: http://d-h.st/5vJ
  • Download this Utility to "Properly" format your SD card, Look for Windows version:https://www.sdcard.org/downloads/formatter_3/
  • As soon as you finished downloading above SD card formatter file, Go ahead and unzip the folder. You will see an EXE file named "Setup". Double clicking on it will open up a setup and will install a program on your computer named "SDFormatter"
  • Open the above program and select the appropriate windows drive you assigned to your SD card (in my case it was H:\)
  • DO NOT change any option; just click on format. ignore any warning message (s) that shows up.
  • Now, once you finished formatting your SD card go ahead and download this file, This is a Windows Image Burner utility to properly burn BN Factory Image on your SD card: https://launchpad.net/win32-image-wr...ger-binary.zip


Step 2:
  • Unzip the "BN_Recovery_1.42" File you just downloaded on your desktop.
  • When you unzip the file, you will see a folder named "bn_142_factory_recovery" on your desktop
  • Under that folder you will see an IMG file names "repart"
  • (Also listed under Step 1) Now, go ahead and unzip the Win32 Disk utility folder you downloaded from here: https://launchpad.net/win32-image-wr...ger-binary.zip
  • After unzipping you will see bunch of files. we are only interested in "Win32diskimager". This is an EXE file so go ahead and double-click on it
  • You will see a blank image path, a folder icon next to it followed by a drive path (defaulted to the drive you assign for your SD card)
  • Click on that blue folder icon and locate the IMG file named "repart" under BN_142_factory recovery folder on your desktop (or wherever you saved it)
  • once you select the image path to correct file, go ahead and select the correct drive for your SD card (in my case it was H:/)
  • once this has been done, click on "Write". You will have a warning message pops up saying this process will completely erase your SD card. JUST go ahead and click "ok"
  • Now, sit back and enjoy. In 1-5 minutes you will see "DONE" dispalyed on lower left hand corner of the program windows "Win32diskimager"
  • Once you see that "DONE" displayed - remove your SD card from your computer
  • Put that SD card in your Nook Tablet
  • Connect your Nook to your PC/Laptop
  • Hold the power button of your Nook until you see "n" logo pops up
  • release the powe button, in 1-2 minutes you will see a messsge "Please DO NOT turn off your device.....installing new software"
  • Now DONT do anythign to your Nook - Just sit back and relax
  • Once Nook finishes installing IMG, a "Green Checkmark" will appear on top right hand corner
  • Remove your SD card from your Nook Tablet
  • You will see Nook will restart itself
  • Then you will be see a message displaying "Clearing Data"
  • Afterwords you will see a message displaying "Installing factory Software...Do not Turn off your device"
  • Once the above process finishes, your Nook will restart itself and then you will be see a "regular Nook setup" screen

Now, you have yourself a Complete Factory Version of Nook; Please Note that THIS will WIPE everything. That means you will have a Brand New Nook just like when you first bought it from BN. A clean and EMPTY NOOK!

This will erase ROOT, Your Personal Information and Data.

Thanks to raywaldo, Meghd00t and todd3835.


If i help you out PLEASE dont forget to hit THANKS.


Good Luck,
Aspi

PS: PM me if you are having any issues with my instructions here.


Update; If you have followed every steps from above instruction and still getting "please contact nook support" then you have "erased" factory partition table which means that now your device doesn't have any "build history" associated with it, like serial number, build info and so on. That means that factory ROM will not be able to run without getting that information from your device so your best choice is to call BN or go to BN and get a warranty or replacement service.
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meghd00t
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Good clear instructions, I like it.
The image will work fine to restore both 8GB and 16GB units, so you can clarify that in the title.
You don't really need to sdformat the sdcard before since the image contains a partition table with 2 partitions already, however you will need that sdformat tool to clear the 2 partitions and reuse the card.

source: http://forum.xda-developers.com/showthread.php?t=1663836

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