This sounds impossible but HTC HD2 has done it again. Although the handset is from 2009, it has managed to run Android, Windows Phone 7, Windows Phone 7.5, Windows Phone 8 and now, Windows RT.
It is amazing to see this device running on various OSes over these years. According to Ubergizmo, Cotulla has done the job of porting the Windows RT to HD2.
…hacker Cotulla (from the Dark Forces Team) is said to have successfully gotten a UEFI implementation to run on the HTC HD2..
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(source)