Howdy. I'm a minimally experienced developer, and a long time fan of Windows Phone/Mobile. Here's my tutorial for downgrading an ATIV SE:
[TUT] - How To Flash Windows Phone 8.0 GDR3 with Windows (Get Rid of Preview for Developers)
[TUT] - How To Flash Windows Phone 8.0 GDR3 with Windows (Get Rid of Preview for Developers)
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