[DOWNGRADE HBOOT/UNBRICK] HBOOT 1.50 -> 1.40 for S-OFF/Root

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Unknownforce

Retired Recognized Developer
Nov 18, 2008
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Does my phone need to be on stock? or can I just lock it back up on meanrom and downgrade?
This process will revert completely to stock anyways. But as long as you have # in adb shell, you don't have to revert to stock to begin with.

Just backup your stuff, relock the boot loader and start from step one.
 
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Unknownforce

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Nov 18, 2008
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it says relocked and then right under that it says security warning (cuz i'm still running a custom rom and it's unbootable). i would revert to stock, but i cant run an ruu to do that
The security warning is probably what's stopping you then. Idk.

If you have your stuff backed up, you can definitely just run the stock ruu exe in windows while booted to FASTBOOT USB to revert to stock.
 

Unknownforce

Retired Recognized Developer
Nov 18, 2008
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The security warning is probably what's stopping you then. Idk.

If you have your stuff backed up, you can definitely just run the stock ruu exe in windows while booted to FASTBOOT USB to revert to stock.
Oh and remember to start from step one all over again, cause the main version will go back to 2.17 when you run the ruu.
 

jasKaos

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Aug 26, 2011
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TEMP ROOTING PROCEDURES

FOR ALL ADB OR TEMP ROOTING, be sure to enable USB Debugging...

Here's the basics for zergRush rooting: (2.08)

adb push zergRush /data/local/
adb chmod 755 /data/local/zergRush
adb shell /data/local/zergRush

PROCEED WITH STEP 1
If it's not one this with this entire guide, it's another. This is become such a horrible hassle/ordeal and I don't understand why!

I have zergRush in the folder, I can push the fucking file, but for the life of me, whenever I try AT ALL to chmod, it doesn't do anything at all!

I try the 3rd line, and it says permission denied. IN FACT, it's like adb doesn't let me CHMOD at all!! WTF?

Please, for the sake of my own god damn sanity, please help. I am about to die here. I keep trying different methods, and nothing. I can't seem to get TempROOT so I can brick and continue on. HELP! HELP! HELP!
 

Unknownforce

Retired Recognized Developer
Nov 18, 2008
2,044
4,268
0
If it's not one this with this entire guide, it's another. This is become such a horrible hassle/ordeal and I don't understand why!

I have zergRush in the folder, I can push the fucking file, but for the life of me, whenever I try AT ALL to chmod, it doesn't do anything at all!

I try the 3rd line, and it says permission denied. IN FACT, it's like adb doesn't let me CHMOD at all!! WTF?

Please, for the sake of my own god damn sanity, please help. I am about to die here. I keep trying different methods, and nothing. I can't seem to get TempROOT so I can brick and continue on. HELP! HELP! HELP!
OK, first thing... step back and breath.

Lol...

After you have done that...

do an adb shell and press enter.

Then type in chmod 755 /data/local/zergRush (THIS IS CASE SENSITIVE)

There shouldn't be an output, if there IS an output, it's likely an error message.

Let me know if this works for you or not.
 

mnomaanw

Senior Member
Jul 29, 2011
1,027
532
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If it's not one this with this entire guide, it's another. This is become such a horrible hassle/ordeal and I don't understand why!

I have zergRush in the folder, I can push the fucking file, but for the life of me, whenever I try AT ALL to chmod, it doesn't do anything at all!

I try the 3rd line, and it says permission denied. IN FACT, it's like adb doesn't let me CHMOD at all!! WTF?

Please, for the sake of my own god damn sanity, please help. I am about to die here. I keep trying different methods, and nothing. I can't seem to get TempROOT so I can brick and continue on. HELP! HELP! HELP!
I was on 2.17 and tacoroot does the same with me.
I relocked the bootloader and ran the 2.17 RUU.
Booted the phone and without unlocking did the tacoroot and it worked fine.
 
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