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Thread: [How-To] Back to Stock, no su, no BusyBox, etc.

  1. Master Droid
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    #1

    **UPDATED** [How-To] Back to Stock, no su, no BusyBox, etc.

    Seen this over at alldroid. I take no credit. Thanks goes to Speeddymon @ alldroid
    Thank You

    *** UPDATED 01-08-2010 ***
    Tested and works!


    Safe for 2.1, thanks to http://www.sholes.info!


    Idiot's guide to getting back to stock:

    Plug your phone into the computer and mount your sdcard so you can see it in your Operating System on the computer (turn on USB storage).

    Download droidbr.zip (mirror 1) (mirror 2) and unzip it. Copy the boot.img and recovery.img to your sdcard.

    Download virginoem-backup.zip (mirror 1) (mirror 2) and unzip it. Copy the virginoem-backup folder to the nandroid folder on the sdcard.


    Safely remove the card from your Operating System (Right click on the drive and hit Eject for you Windows users)

    Turn off USB storage on the phone now

    Reboot into recovery
    Pick Backup/Restore > Advanced Nandroid Restore > Backup
    Select the virginoem-backup

    Your screen will jump back to the previosu screen, but you should now see virginoem-backup as such:

    Choose an option or press POWER to return
    prefix:
    virginoem-backup


    Select Perform restore
    When it's finished, select Reboot system now
    .

    At this point the phone should be running 2.0.1 and you should have to sign in.
    Open terminal or an ADB shell(don't forget to have USB debugging enabled)

    Copy and paste the following if using an ADB shell, or type it all in if using a terminal emulator on the phone:
    (if using adb shell, don't forget to put phone in USB debugging mode)

    su
    flash_image recovery /sdcard/recovery.img
    flash_image boot /sdcard/boot.img



    Reboot into recovery (press x on the physical k/b + power button) and verify that you have to press Vol+ and Camera at the /!\ screen, to be able to get to the menu.
    If the nandroid recovery menu comes up, you'll need to try the above steps again.

    If it is the stock recovery, reboot

    Once you are back in the OS, you still have root and busybox installed, because the nandroid backup you restored has those.

    So the next step is to either open a terminal on the phone or go into ADB shell and run the following commands:


    su
    mount -o remount,rw -t yaffs2 /dev/block/mtdblock4 /system
    rm /system/bin/busybox
    rm /system/xbin/busybox
    rm /system/app/Superuser.apk
    mv /system/recovery-from-boot.old /system/recovery-from-boot.p


    restart phone

    From there you still have su left, and you have 2 options for getting rid of it.

    A) Since you are already root, just run rm /system/bin/su .. I personally don't like this option because the phone by default has a su binary that just doesnt allow you access.
    After you do the above do this:

    mount -o remount,ro -t yaffs2 /dev/block/mtdblock4 /system
    sync
    reboot


    B)- (prefered method)
    Download the official 2.0.1 update, which will replace the 2.0.1 su binary.
    Rename it to update.zip
    Copy it to sdcard
    Reboot phone in to recovery(hold x + power button), at the /!\ hold the volume+ and camera button.
    Select apply sdcard:update.zip, you might see an error but it should complete.
    Reboot when finished.



    Once you are done with all of that you are back at a stock image.
    To test if su is gone, download Android Terminal Emulator and do an su, you should get a permission denied response.

    If you want to take an extra step, which isn't really needed, do a factory reset.

    Now go download at least a couple of the apps you use so your phone looks like it's actually been used..
    Last edited by mrZoSo; 03-24-2010 at 10:09 AM. Reason: Updated
    mrZoSo
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  3. dezidez87
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    #2
    I dont understand step 4...
    Also, when you say 'stock' will I be back on 2.0.1? Or something older?
  4. freddroidhead's Avatar
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    #3
    you should be back to 2.01.
  5. Droid
    Shanged's Avatar
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    #4
    He suggests restore factor y defaults, does this wipe your settings/info?
  6. RAWR IM A DROID RAWR's Avatar
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    #5
    Quote Originally Posted by Shanged View Post
    He suggests restore factor y defaults, does this wipe your settings/info?
    Yes. It will be as if you got a brand new droid.
  7. Junior Droid
    E.1999's Avatar
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    #6
    ok so i do the "Open terminal, type flash_image recovery /sdcard/recovery.img
    " using terminal and it say delete img file after successful flash..so i reboot into recovery (by holding x and power after i power the phone off" and its still the nandroid recovery...did i miss something.
  8. Master Droid
    mrZoSo's Avatar
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    #7
    Did you extract the recovery.img from droidbr.zip, and put it on your sdcard?

    Make sure your root too,,,do an su first, also don't be in recovery mode.


    su
    flash_image recovery /sdcard/recovery.img
    Last edited by mrZoSo; 01-04-2010 at 11:39 PM.
    mrZoSo
  9. Premium Member
    doug piston's Avatar
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    TundaBolt
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    #8
    Open terminal, type flash_image recovery /sdcard/recovery.img



    im still very very new. what is this reminal you speak of? want ot go all back to stock for the offical 2.1
  10. Droid Newbie
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    #9
    I'm thinking of doing this, looks like all I'd need to do would be just backup my apps and contacts. But the phone will still be activated with Verizon right? haha
  11. Senior Droid
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    #10
    Quote Originally Posted by doug piston View Post
    Open terminal, type flash_image recovery /sdcard/recovery.img



    im still very very new. what is this reminal you speak of? want ot go all back to stock for the offical 2.1

    Terminal Emulator. found on the market. download it, open it up and type su .... just su nothing else, if it shows a # your rooted. then follow the instructions listed above. if it doesnt show a # your not rooted.
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