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How to downgrade SGS2?

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    After i upgraded my samsung galaxy s2 to 4.0.3 i find that the battery life is incredibly terrible. Tried every single thing under the sun including charging and discharging completely, removing the battery etc etc.

    So could some1 point me in the right direction to downgrade the android back to what is was please?

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    Have you tried factory reset?
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    Yeah as above, give it a factory reset.

    If you do want to downgrade then just get the firmware and flash with Odin.
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    (Original post by Who's_buying?)
    Have you tried factory reset?

    (Original post by theronkinator)
    Yeah as above, give it a factory reset.

    If you do want to downgrade then just get the firmware and flash with Odin.
    Yep tried factory reset. How do i know what the firmware was?


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