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Problems Downgrading From 4.06.651.9

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By devo3d, Senior Member on 7th May 2014, 07:54 PM
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OK....I am on 4.06.651.9 --- S-off --- 1.56 H-boot ---CID SPCS_001 --- Unlocked. I've been trying to completely downgrade and tried using RUU 1_29_651_10, both zip and exe and I get the same notification ---"FAILED"--- Device is recognized and I've tried it with both "locked" and "unlocked" and with the Sprint CID and with Super Cid. I feel like I'm out of options. Anyone have a sure-fire fix for this?
 
 
7th May 2014, 08:09 PM |#2  
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Quote:
Originally Posted by devo3d

OK....I am on 4.06.651.9 --- S-off --- 1.56 H-boot ---CID SPCS_001 --- Unlocked. I've been trying to completely downgrade and tried using RUU 1_29_651_10, both zip and exe and I get the same notification ---"FAILED"--- Device is recognized and I've tried it with both "locked" and "unlocked" and with the Sprint CID and with Super Cid. I feel like I'm out of options. Anyone have a sure-fire fix for this?

Follow this guide to get back to JB then use the 1.29 RUU to accomplish what you are trying to do.
Something changed with hboot 1.56...for some reason it won't allow you to run an older RUU even though you are s-off
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7th May 2014, 08:30 PM |#3  
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Quote:
Originally Posted by BD619

Follow this guide to get back to JB then use the 1.29 RUU to accomplish what you are trying to do.
Something changed with hboot 1.56...for some reason it won't allow you to run an older RUU even though you are s-off

THANK YOU!! I'll definitely try it... I'll post my results
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8th May 2014, 05:14 AM |#4  
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Well crap....it didn't work. I got the "error 155". Do I need to downgrade the h-boot to 1.55 or should it have worked for 1.56? Thats the only reason I can see why it didn't work. Also, I downloaded and ran the ".exe" file at the top of the page, should I have used the modified firmware ".zip" ?

EDIT: Oh man...I feel so dumb...I somehow missed the part about downloading the "decrypted" file....I just saw it saying "Developers" and didn't think that was the one....I'll try that one tomorrow..
Last edited by devo3d; 8th May 2014 at 05:41 AM.
12th May 2014, 01:31 AM |#5  
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Quote:
Originally Posted by devo3d

Well crap....it didn't work. I got the "error 155". Do I need to downgrade the h-boot to 1.55 or should it have worked for 1.56? Thats the only reason I can see why it didn't work. Also, I downloaded and ran the ".exe" file at the top of the page, should I have used the modified firmware ".zip" ?

EDIT: Oh man...I feel so dumb...I somehow missed the part about downloading the "decrypted" file....I just saw it saying "Developers" and didn't think that was the one....I'll try that one tomorrow..

I finally got it done right I wasn't able to flash the second RUU like the first (through Fastboot) so I had to run the ".exe" file and it completed.
Thanks for all your help
14th May 2014, 09:58 PM |#6  
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Originally Posted by devo3d

I finally got it done right I wasn't able to flash the second RUU like the first (through Fastboot) so I had to run the ".exe" file and it completed.
Thanks for all your help

may I ask why you were trying to downgrade?
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