Problems Downgrading From 4.06.651.9

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devo3d

Senior Member
Oct 10, 2012
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Huntsville
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? :confused:
 
Sloth

Sloth

Inactive RC / Retired Forum Moderator
Apr 23, 2012
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devo3d said:
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? :confused:
Click to expand...
Click to collapse
Follow this guide to get back to JB then use the 1.29 RUU to accomplish what you are trying to do. :D
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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devo3d

Senior Member
Oct 10, 2012
314
30
Huntsville
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:
D

devo3d

Senior Member
Oct 10, 2012
314
30
Huntsville
devo3d said:
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..
Click to expand...
Click to collapse

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 :victory:
 
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    Sloth
    Sloth
    devo3d said:
    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? :confused:
    Click to expand...
    Click to collapse
    Follow this guide to get back to JB then use the 1.29 RUU to accomplish what you are trying to do. :D
    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
    View
    1
    D
    devo3d
    BD619 said:
    Follow this guide to get back to JB then use the 1.29 RUU to accomplish what you are trying to do. :D
    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
    Click to expand...
    Click to collapse

    THANK YOU!! I'll definitely try it... I'll post my results :fingers-crossed:
    View

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