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I had previously rooted my droid when it was running 2.2 froyo. Using the OTA upgrade, i got a gingerbread (2.3.4) for my phone. As obvious, the root privileges were gone..but the superuser app and the everything else related to it is still there in the system/bin and system/xbin folders. Now when i try to run "su" command from an adb shell to re-root my phone, it shows "permission denied".

Is there anyway that i can get the "#" shell i.e. the su privileges instead of the normal "$" shell, so that i can manually delete the previous root files? Thanks.

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  • Did you install any custom recovery, such as ClockworkMod (CWM)? And do you have the Android SDK installed on your workstation?
    – Izzy
    Commented Aug 13, 2012 at 18:02
  • no..CWM is not installed..While I have android sdk installed with me.
    – svaurag
    Commented Aug 13, 2012 at 18:43
  • I doubt you get root access directly, but you could try to adb shell and see whether you get a # (root) prompt or a $ (user) prompt. In the latter case, you could try to sudo and see whether that works. Unlikely, but possible. With CWM, you could have connected adb shell in recovery mode with root permissions, AFAIK.
    – Izzy
    Commented Aug 13, 2012 at 19:20

1 Answer 1

Reset to default
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In short, the OTA upgrade clobbered your root settings, am afraid to say you will have to run either SuperOneClick or zergRush to get root again.

[TECHNICAL]

The OTA reverted the original default.prop when on Froyo from this

ro.secure=0

to this after the upgrade

ro.secure=1

Thus you may still have the su binary etc, but it is the above line that is preventing you from trying to switch user to id of 0 (that's what su stands for! - S witch U ser)

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  • Is there a way I can manually change the value of this variable "ro.secure" to 0 ? using adb shell or something..keeping in mind that i cant access the root privileges right now?
    – svaurag
    Commented Aug 20, 2012 at 18:32
  • zergRush was showing the message "hellions with blue flames". So I guess it wont work here.
    – svaurag
    Commented Aug 20, 2012 at 18:51

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