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Are there any risks to rooting a device?

I download the screenshot to use on my Nexus One (N1) but it can not run and said it requires root access. What is it, how can I allow that and what risks/notes to take when letting them the "admin" access like that?

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marked as duplicate by Matthew Read Mar 5 '12 at 22:28

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up vote 3 down vote accepted

Please see my related questions/answers here and here.

In short:

  • Root gives you full administrator access to your phone to do things that it normally cannot do (take screenshots, [free] wifi tethering, overclocking, etc).
  • You will void your warranty (but you can typically unroot your phone to a previous state that makes this point moot).
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