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[How-To] Update to N900A_NL1 - 4.4.4 and Keep Root (12-24-2014)

OP muniz_ri

24th December 2014, 10:48 PM   |  #1  
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**You can Odin back to NC2 at anytime after taking the NL1 update.**

1. Extract the N900A_NL1_Stock_Rooted_Backup file from the .rar and place the file in the following folder: ext-sdcard/TWRP/BACKUPS/xxxxxx (the name of your backups folder may vary. If a backups folder does not exist you must first create a backup before proceeding).
2. Use Safestrap's Backup Function to back-up User Data.
3. Perform an "Advanced Wipe" and wipe everything but your ext-sdcard.
4. From the main menu press "Restore" and restore the N900A_NL1_Stock_Rooted_Backup.
5. Once complete press the back button twice to access your backups again and restore User Data.
6. Last, from the main menu press "Reboot," reboot into "Download" mode and flash the N900A_NL1_Stock_Partitions using Odin's PDA slot(AP in Odin v3.09+).

Changelog: http://www.att.com/esupport/software...id=2oEtZq05ft1

Notes:
1. The above process will not affect your User Data or Knox Warranty Flag.
2. This Restore process will update your Modem, Non-hlos, System, Kernel, Stock Recovery, and Bootloader to NL1.
3. Safestrap will not function after updating to NL1 4.4.4. See workaround here: http://forum.xda-developers.com/show...php?p=57141494
4. If you do not already have root access you must first flash back to factory stock NC2 using the N900AUCUCNC2_Full_Odin_Tar (flash in Odin's PDA slot(AP in Odin v3.09+)), root with Towelroot, install Safestrap, then proceed with the above process.
Last edited by muniz_ri; 28th February 2015 at 02:47 AM.
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24th December 2014, 10:48 PM   |  #2  
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EXTRAS
N900A_NL1_Stock_Modem.tar.md5

N900A_NL1_Stock_Recovery.tar.md5
Last edited by muniz_ri; 24th December 2014 at 10:50 PM.
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24th December 2014, 11:22 PM   |  #3  
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Would it be possible to install this update over NJ5 without having to downgrade to NC2? Because I'd hate to have to set up my phone AGAIN!
24th December 2014, 11:28 PM   |  #4  
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Quote:
Originally Posted by timark251

Would it be possible to install this update over NJ5 without having to downgrade to NC2? Because I'd hate to have to set up my phone AGAIN!

It should be possible. You should be able to get to the safestrap recovery splash screen by flashing the NC2 kernel. See the safestrap workaround thread linked to in the OP.
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25th December 2014, 12:11 AM   |  #5  
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Can confirm that it does work, successfully updated to NL1 while retaining root and my data.
Last edited by timark251; 25th December 2014 at 12:12 AM. Reason: misplelled word
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25th December 2014, 04:31 AM   |  #6  
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@muniz_ri do you know what binary count on aboot is?
25th December 2014, 04:35 AM   |  #7  
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Quote:
Originally Posted by Walter.White

@muniz_ri do you know what binary count on aboot is?

3, same as NC2.
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25th December 2014, 04:36 AM   |  #8  
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Quote:
Originally Posted by muniz_ri

3, same as NC2.

Perfect. Not sure why ATT isn't screwing with us but I'll take it.
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25th December 2014, 04:47 AM   |  #9  
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Quote:
Originally Posted by Walter.White

@muniz_ri do you know what binary count on aboot is?

I see no change

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25th December 2014, 04:53 AM   |  #10  
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Is there a difference between NJ5 and NL1? Also, will this trip Knox counter?

Thanks in advance
Last edited by coollkidd; 25th December 2014 at 04:58 AM.

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