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Possible Duplicate:
How can I tell if I have root?

I am a noob when it comes to android.

I've read a little about rooting, but I still haven't figured out how to know if my device is already rooted or not (I bought it from a questionable store, so I don't want to just take their word for it).

I have a Galaxy S2, but I think this question is relevant for any android device.

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marked as duplicate by Matthew Read Jun 18 '12 at 2:46

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

    
I searched for a question covering this topic before I posted, but somehow I missed it. Sorry... –  Joe Jun 18 '12 at 4:24
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Don't worry - posting a duplicate is really not a bad thing unless the title and content of your post are really quite identical to the original (in which case a search should find it). Having duplicates with different wording will ultimately catch more search terms. –  eldarerathis Jun 18 '12 at 13:08

2 Answers 2

up vote 5 down vote accepted

I think the best way to test would be to install an app that requires root access to perform it's main functions. Like ROM Manager, Wi-Fi Tether or most screenshot apps. They will require root and notify you if you do not have root access.

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if you have adb access, you can go to "adb shell". if you see # on command line then you are rooted, $ if not. –  svarog Aug 4 at 6:30

Check if you have application like superuser or superSU installed, and launched it. you'll see.

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