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[ZIP][RECOVERY] EMMC Recovery Repair

438 posts
Thanks Meter: 68
By xawen, Senior Member on 17th February 2011, 11:28 PM
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UPDATE: Since some of you guys are still finding this useful, I updated the CWM version to Please note that ROM Manager is the best way to install CWM You should only need this .zip if you need to restore the B&N boot loader.

There are a number of CWM installable .zip files being distributed that break Clockworkmod in a way that Rom Manager will not fix. This .zip file will reinstall the B&N bootloader (to enable the recovery buttons) and install ClockworkMod on your internal memory. This .zip will only help if you have installed a "flashable" .zip and can no longer get into CWM by holding N + Power on boot.

This file can be installed with IOMonster's bootable CWM to re-enable the ability to use CWM without an SD card.

How to use:

1) Create a bootable CWM SD card from the link above.
2) Mount the SD card on your computer and copy the file to it.
3) Boot the Nook into CWM from the SD card.
4) Choose "install zip from sdcard"
5) Choose "choose zip from sdcard"
6) Browse to the and select it.
7) Choose "Yes - Install"

CWM should now work by booting and holding the N + Power buttons.

Technical details:

The bootloader (u-boot.bin) file included with the stock image has code to look for the recovery key sequence on boot. It also contains the "Touch the Future of Reading" splash screen. Some of the update .zip releases include a custom uboot.bin (to change the splash screen) that does not look for the recovery there's no way to boot into recovery without an SD.

Currently the only automated way to put the correct files back is by using one of the stock recovery .zips. These take the entire system back to stock though. All this .zip does is replace the stock u-boot.bin file, CWM uRecRam and CWM uRecImg files on the /boot partition. This can also be easily fixed by booting any image from an SD card and copying these files manually.
Attached Files
File Type: zip - [Click for QR Code] (3.36 MB, 5251 views)
File Type: zip - [Click for QR Code] (3.59 MB, 2753 views)
File Type: zip - [Click for QR Code] (3.72 MB, 7435 views)
Last edited by xawen; 28th April 2011 at 03:07 PM.
The Following 29 Users Say Thank You to xawen For This Useful Post: [ View ]
18th February 2011, 12:55 AM |#2  
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is this for use with any flashable rom or only certain ones? i'm on hcv4 and want to make sure this is safe to use before flashing it.
The Following User Says Thank You to byproxy For This Useful Post: [ View ]
18th February 2011, 02:53 AM |#3  
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This worked fantastic! Thank you!
18th February 2011, 03:36 AM |#4  
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Originally Posted by byproxy

is this for use with any flashable rom or only certain ones? i'm on hcv4 and want to make sure this is safe to use before flashing it.

This is a standalone fix - its only necessary if you've flashed a rom and could no longer boot into CWM recovery afterward.

thanks again xawen!
18th February 2011, 04:18 AM |#5  
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Thanks so much for this! Great work!
18th February 2011, 04:37 AM |#6  
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18th February 2011, 05:28 AM |#7  
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Will This work with the Froyo builds?

18th February 2011, 01:01 PM |#8  
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Originally Posted by huemedia

Will This work with the Froyo builds?


It should work with any build. It does not replace any of the build specific files, just the boot loader and the recovery images.
23rd February 2011, 11:20 PM |#9  
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Works on phiremod (CM7). I was stressing why I couldn't reach my internal recovery, but was too lazy to do any research on the matter. Just stumbled upon this and everything is fixed again
23rd February 2011, 11:49 PM |#10  
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Just what I was looking for... thanks!
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