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please help

5 posts
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By c_v_S, Junior Member on 10th June 2014, 03:07 PM
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I made a nonsense of wanting to return to jelly bean KitKat with rsd lite and gave me an error and every time I turn on the initial cel fastboot .... as usual do to restart please help
 
 
11th June 2014, 01:24 PM |#2  
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Quote:
Originally Posted by c_v_S

I made a nonsense of wanting to return to jelly bean KitKat with rsd lite and gave me an error and every time I turn on the initial cel fastboot .... as usual do to restart please help

Are you on an unlocked bootloader? If not, you cannot downgrade.
11th June 2014, 09:47 PM |#3  
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You can't downgrade even with an unlocked bootloader. Just tried this morning and got a security downgrade error or somesuch.

He's probably getting a flash failed error. Easiest way to fix that is just to successfully flash something simple like the logo.

fastboot flash logo logo.bin
12th June 2014, 04:29 AM |#4  
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You CAN flash back to JB from KK if you have an unlocked bootloader using RSD, I've done it a few times when I tried KK.


I used VRZ_XT907_9.8.1Q-94-1_CFC.xml and removed these lines.

Quote:

<step var="max-download-size" operation="getvar"/>

<step var="fb_mode_set" operation="oem"/>

<step operation="flash" MD5="FB3D9083F1B5890BBF2FA8617D31A70A" filename="gpt_main0.bin" partition="partition"/>

<step operation="flash" partition="tz" filename="tz.mbn" MD5="474F31095C8146D1F86D0E5CE72B878F" />

Quick Edit: These two posts helped me

http://forum.xda-developers.com/show...&postcount=181

http://forum.xda-developers.com/show...&postcount=222
Goodluck
Last edited by Seriiez; 12th June 2014 at 04:43 AM.
12th June 2014, 04:35 AM |#5  
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Quote:
Originally Posted by Seriiez

I used VRZ_XT907_9.8.1Q-94-1_CFC.xml and removed these lines.

How did you know which lines were safe to omit and which to keep?
I tried just flashing system.img by itself, apparently that alone was not enough for it to boot.
12th June 2014, 04:58 AM |#6  
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Quote:
Originally Posted by GnatGoSplat

How did you know which lines were safe to omit and which to keep?
I tried just flashing system.img by itself, apparently that alone was not enough for it to boot.

I updated my post to include where I got the info from.
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