[VIDEO] HowTo UnRoot Incredible by downgrading

Discussion in 'Droid Incredible Hacks' started by mejdam, Jun 12, 2010.

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  1. mejdam
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    mejdam New Member

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    PLEASE DO NOT USE THIS METHOD.

    IT IS OUTDATED AND WILL CAUSE PROBLEMS WITH YOUR PHONE.

    PLEASE SEE HERE FOR THE CURRENT METHOD:
    http://www.droidforums.net/forum/droid-incredible-hacks/95406-how-correctly-unroot-incredible.html








    This will remove Root and Custom Recovery (Clockwork) from your handset.


    files:
    MyHost Direct Download
    Mirror #1
    Mirror #2

    Instructions:
    1. Place PB31IMG.zip on root of SD Card
    2. Reboot
    3. Hold Down Vol Down into HBoot
    4. It will ask if you want to update
    5. Select Up to accept
    6. Wait..........
    7. it'll finish updating and ask to reboot
    8. select vol + to choose yes
    9. Done

    IF YOU INSTALLED LEAKED OTA THEN USE THIS VIDEO TO DOWNGRADE



    files: http://rapidshare.com/files/407698757/Droid_Incredible_Downgrade_From_Leaked_OTA.zip.htm l
    Last edited by a moderator: Feb 8, 2011
  2. adrynalyne
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    adrynalyne Premium Member Premium Member Developer

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    You can always use the latest RUU and not need to downgrade.
  3. StirCwazy
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    StirCwazy New Member

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    I've got the latest RUU but can't get it to run. I keep getting Error 170, that it could not find my phone. Any assistance would be appreciated.

    Also, quick question. I located two different RUUs, filenames below. Which should I be using?

    RUU_IncredibleC_Verizon_WWE_1.22.605.0_Radio_1.00.03.04.06_release_161493_NoDriver
    RUU_IncredibleC_Verizon_WWE_1.22.605.2_Radio_1.00.03.04.06_hboot_0.79_release_161494_NoDriver_0514

    Thanks, any help is greatly appreciated.
  4. feeble
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    feeble New Member

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    I'm trying to downgrade to before the OTA update hoping that it might make it easier for me to get root on my Inc. I bought a new PNY 2GB card and copied the PB31IMG.zip file onto the SD card. When I Hboot my phone, it doesn't not recognize the file. I am able to open the file in 7-zip without problems. Re-downloading file produced the same results. The SD card is formatted FAT.

    Any suggestions?

    EDIT: I reformatted the card to FAT32 and it seems be working now.
    Last edited: Jun 26, 2010
  5. tylar
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    tylar New Member

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    FAT32 does the trick

    Thanks for the info. It was driving me crazy. Now back to rooting again..
  6. jarrough
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    jarrough New Member

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    I was having the same issue, the hboot wouldn't recognize the zip file. I put in a blank SD card, formatted it to FAT32 instead of FAT, copied the zip file onto the card and went back thru the process and it is now working.

    Thanks for the tip!!
  7. butterfras
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    butterfras New Member

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    Thanks for all your helpful videos.
  8. beaubeau
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    beaubeau New Member

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    Total android newbie here (8 days into ownership) and trying to downgrade before the Froyo OTA update. Rooted with unrevoked3. Copied the PB31IMG.zip file onto the SD card. When I Hboot I get something like it's trying but it goes by too fast, ending with 'or wrong length'. Tried downloading from multiple sources with same results. SD card is formatted FAT32.

    Phone runs okay, I just want to unroot in anticipation of Verizon's 2.2 rollout.

    Suggestions for what to try next?
  9. doug piston
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    doug piston Premium Member Rescue Squad Premium Member

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    I haven't seen that issue. Make sure you aren't changing the name to Pb31img.zip. Just name it PB31IMG. Otherwise you end up with a .zip.zip

    With Android I have found it easier to have the pc show file extensions so I know what it really is.
  10. beaubeau
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    beaubeau New Member

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    Thanks Doug. Here is some further data.

    -When the phone is booting the message is "No image or wrong length".
    -If I reboot normally, I get status messages:
    Preparing phone storage
    Preparing SD card
    Blank SD card

    I've attached a screen shot showing the phone attached to my machine and PB31IMG.zip being on the SD card (named HTC SD, during format as FAT32).

    What would make the Incredible not see that file on the SD Card?
  11. beaubeau
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    beaubeau New Member

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    And yet more data, on the phone Astro file manager, when pointed to /sdcard shows (Directory is empty)
  12. beaubeau
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    beaubeau New Member

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    More data....
    I formatted the SD card again (leaving the name blank this name, getting the default name of UNTITLED).
    Then I went to terminal and did:
    cd /Volumes/UNTITLED
    echo hello > hello.txt
    ls -l
    And I see:
    -rwxrwxrwx 1 chip chip 6 Aug 7 07:17 hello.txt

    So hello.txt is on the card. (I've attached a screenshot too).

    Same thing, phone starts and says 'Blank SD card'.
    Astro file manager shows (Directory is empty).
    And before that, Astro file manager pops up "error creating external cache".

    So I reckon that somehow my SD card formatting is hosed and when I get that straight, I'll be able to put the PB31IMG.ZIP file on there and all will be well.

    Wonder what I've done......
  13. beaubeau
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    beaubeau New Member

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    Giving up for now, but here is what I have.....

    I did get the SD card formatted as FAT32 using:

    diskutil eraseVolume "MS-DOS FAT32" HTCSD /dev/disk4s2

    I've attached a screen shot showing my sdcard (it's in the Incredible, USB connected to my computer). This shows the card is FAT32 and contains PB31IMG.zip and only PB31IMG.ZIP (not PB31IMG.zip.zip).

    Should PB31IMG.zip be precisely 146,110,009 bytes?

    Thanks very much for any ideas anyone might have.
  14. doug piston
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    doug piston Premium Member Rescue Squad Premium Member

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  15. doug piston
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    doug piston Premium Member Rescue Squad Premium Member

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    Also what rom are you on?? I think I remember there was a nightly that wouldn't mount the SD card correctly. I could be wrong on that though.
  16. beaubeau
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    beaubeau New Member

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    I have the stock rom, rooted with unrevoked3. That what you mean?
  17. doug piston
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    doug piston Premium Member Rescue Squad Premium Member

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    Ya. Its is not a rom issue then. Did you pull out the SD card without unmounting from the phone ever? And did you try the other PB31 link I gave ya?
  18. beaubeau
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    beaubeau New Member

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    Will try the other file when I get home. Negative on the pulling. The card seems ok otherwise...... for instance, I can do format from the phone's setting menu, it just ends up FAT16: )
  19. doug piston
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    doug piston Premium Member Rescue Squad Premium Member

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    I think its the file you downloaded. Let me know if the newer one doesn't work and I'll try to find another one.
  20. doug piston
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    doug piston Premium Member Rescue Squad Premium Member

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    Also I ran into a issue where the .zip originally DL'D had a read me in it. Thus it meant the changing the original file to PB31IMG.zip would not work as there were other files in it. Make sure You only have a correct img
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