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[HOW-TO]Downgrade to get S-OFF after updating to latest OTA 2.11.605.9

This is a discussion on [HOW-TO]Downgrade to get S-OFF after updating to latest OTA 2.11.605.9 within the HTC Thunderbolt Development forums, part of the HTC Thunderbolt Hacks category; For those of you that are stuck on the 2.11.605.9 OTA and want to root, help is here: [HOW-TO]Downgrade to get S-OFF after updating to ...

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Thread: [HOW-TO]Downgrade to get S-OFF after updating to latest OTA 2.11.605.9

  1. #1
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    [HOW-TO]Downgrade to get S-OFF after updating to latest OTA 2.11.605.9

    For those of you that are stuck on the 2.11.605.9 OTA and want to root, help is here:
    [HOW-TO]Downgrade to get S-OFF after updating to latest OTA 2.11.605.9 - xda-developers
    [HOW-TO]Downgrade to get S-OFF after updating to latest OTA 2.11.605.9

    * NO GOLD CARDS needed
    * NO MISC.IMG needed
    * NO Temp Root Shell Needed
    * YOU DO NOT NEED S-OFF to Downgrade



    ( THIS WIPES YOUR DATA AND CONTACTS ! JUST BE WARNED )

    Although zergRush and revolutionary cannot gain s-off on the latest
    2.11.605.9 build for the HTC Thunderbolt, we are all well aware that they do
    assist with S-OFF on 2.11.605.5 with both HBOOT 1.04 and 1.05.

    All we need to do is do a downgrade, so for those of you who are new to rooting
    and have found yourself in an unrootable upgrade, fortunately for those of you
    on 2.11.605.9, it is possible to downgrade to 2.11.605.5 very simply.


    1. Download Downgrade Zip || >>>HERE<<< || md5 sum -C5FDA16925A974BBD6CD7007B2CF28F0

    2. place phone in disk drive mode
    3. place zip file on your sd card and rename to PG05IMG
    ( pee - gee - zero - five - eye - em - gee )
    4. It must remain a zip, some people have file extensions hidden while others
    do not, good rule of thumb is, when renaming a file, windows by default
    does not highlight the extension if its there, so just type PG05IMG to rename
    it.

    5. once done with that, unplug phone, and pull battery
    6. reinsert battery and replace cover
    7. hold VOLUME DOWN + POWER firmly until you see HBOOT "white screen"
    8. you will see some scanning taking place in top right corner, this
    vertical scroll bar will both scan the file for integrity and check the
    signature of the file. (takes about 2 min)

    9. When its done it will ask you to PRESS VOL UP TO UPDATE
    10. press volume up at that time. (UP NOT DOWN!!)
    11. It will take approximately 4 minutes to complete the downgrade
    12. when its done it will say PRESS POWER TO REBOOT
    13. Press power at that time
    14. phon
    e reboots completely wiped and back on 2.11.605.5
    15. REMOVE/RENAME THE PG05IMG.zip FROM YOUR SD! IF YOU DON'T, YOU WILL HAVE ISSUES.

    16. Now you can S-OFF using the traditional revolutionary method.
    17. And presto bango, your given passage into the world of modding.


    ----------------------------------------------------------------------------------
    ----------------------------------------------------------------------------------

    What about the MR4 radio ? Yes a huge part of the 2.11.605.9 update
    had to do with a newer better radio, the MR4, which allows for better
    3G/4G handoff, which means the system will be able to switch between
    CDMA and LTE much more fluidly, as well as a stronger LTE data speed

    Download the RADIO HERE --- > || >>>HERE<<< || - md5 sum679c6fd8cdec8aaeacd3d8688ecb9689

    After you've flashed your custom sense rom or even if your still on the stock
    2.11.605.5 you'll be able to take advantage of the radio

    1. place zip file on sd card and rename to PG05IMG
    2. pull battery, and replace battery, unplug phone
    3. hold volume down + power to get white HBOOT screen
    4. phone will ask you to start update after scanning file
    5. hit VOLUME UP to update
    6. hit power to reboot when udpate is done
    7. Your radio is now the MR4 edition, so you can maintain the benefits
    of the update and get a nice rom as well.

    Thanks guys enjoy.

    Credit to halfcab123 on XDA




  2. #2
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    So I can down load the last part if I am rooted and have no issues as the first part is stated and will not lose root in the process?

    Sent from my ADR6400L using Tapatalk

  3. #3
    TBolt Informant
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    Thanks for the tip! Flashed the radio this morning and it seems to be working fine.

  4. #4
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    Quote Originally Posted by cyborg03 View Post
    So I can down load the last part if I am rooted and have no issues as the first part is stated and will not lose root in the process?

    Sent from my ADR6400L using Tapatalk
    Yes, the second download is the radio only, it will not mess with your root.

  5. #5
    Tbolt Pursuant
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    Thanks

    Sent from my ADR6400L using Tapatalk

  6. #6
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    Worked Perfect. Thanks!

  7. #7
    Thunderbolt Ninja
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    Should sticky this one if it's not already!

  8. #8
    Rescue Squad
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    Quote Originally Posted by sonicbuffalo View Post
    Should sticky this one if it's not already!
    Already added this to my bookmarks!

    Sent from the God of phones. Thunder....THUNDER! ... THUNDERBOLT!!


    ----------------------------------------------------------------------------------------------------
    By the one and only: wicked
    Reader's/Writer's Thread|Tbolt Nick's Audio Requests | TIP: Removing CityID without Rooting | Join in on the Moment!


  9. #9
    Thunderbolt Ninja
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    Yep....I did too...but it should really be stickied...that way people can find it easier later on...

  10. #10
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    Quote Originally Posted by sonicbuffalo View Post
    Should sticky this one if it's not already!
    Stuck!


 
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