I am running Cyanogenmod on my Galaxy S2 for about a year.

A few months ago I bought a new phone and game my Galaxy S2 to my mom to use as a second phone. I did a Factory Reset before that. Everything was working fine, including root.

Recently I took the phone back and did a Factory Reset again, but now I lost root access. It is set to "Apps and ADB" in developer options btw.

I tried reinstalling Cyanogenmod, no luck. Tried flashing recovery (I am using clockworkmod and it worked file all the time), no luck.


That's what happens when executing "su"

  • What happens when you "su" in a terminal emulator?
    – Andy Yan
    Sep 29 '16 at 0:34
  • @AndyYan, I've updated my question.
    – geNia
    Sep 29 '16 at 12:39
  • That looks as if you haven't enabled it (but you said you did). I'm at a loss.
    – Andy Yan
    Sep 29 '16 at 13:24
  • @AndyYan, yes, me too. I tried flashing another ROM, based on Cyanogen. Same thing.
    – geNia
    Sep 29 '16 at 15:13
  • 1
    @MikeN, it doesn't help.
    – geNia
    Sep 29 '16 at 19:16

I tried flashing SuperSU .zip file and after a few attempts it worked. No idea what was the problem, but it is fixed now.

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