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Support is factory reset good enough to clean up everything ?

Discussion in 'Android Help' started by louis2008, Sep 14, 2016.

  1. louis2008

    louis2008 Well-Known Member
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    I want to clean up everything on a mobile phone because I will sell it out

    I've already made a copy of the files I need.

    Is "factory reset" good enough to clean up everything hidden everywhere in a phone?

    Should I do factory reset a couple of times to make sure nothing left deep inside the memory that can be recovered by advanced technicians

    Anything further to do to make sure a peace of mind
     

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  2. Bg260

    Bg260  
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    If you are that worried, the best thing would be to flash the stock image. I don't know if that's feasible though because I don't know what phone you have.
     
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  3. louis2008

    louis2008 Well-Known Member
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    Samsung Android 5. x I don't know the version
     
  4. dontpanicbobby

    dontpanicbobby Android Expert
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    Here's a Flashing guide and Stable ROM for the Xiami Mi 4i louis2008. It's for the global edition but the Chinese version is also available.
     
  5. dontpanicbobby

    dontpanicbobby Android Expert
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    Missed your post. Samsung ROMs are available at SamMobile.
     
  6. louis2008

    louis2008 Well-Known Member
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    Do the residue files go away over time if I don't learn and go that ROM process?
     
  7. dontpanicbobby

    dontpanicbobby Android Expert
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