Roms and themes

Discussion in 'Droid RAZR Themes' started by hevm786, Jul 5, 2012.

  1. hevm786

    hevm786 New Member

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    I am fairly new to rooting, so i am not completely sure on how some things work. What is the difference between a custom rom and themes? I saw a RAZR that had the interface of a nexus on YouTube. Is that through a custom rom or a theme?