Changes

On December 18th 2018, ProtonX released photos from the inside, confirming this was a prototype.

On December 18th 2018, ProtonX released photos from the inside, confirming this was a prototype.

* There is no sticker on the board. Instead, Nintendo used permanent marker with '''A-2''' written on it.

* There is no sticker on the board. Instead, Nintendo used permanent marker with '''A-2''' written on it.

* The board has '''CPU-X4''' writen on it. A retail Nintendo DSi has '''CPU-01''' writen on it. This is enough to confirm that this is a prototype, noted by '''Razor83''':<blockquote>''Actually Ninty always uses '''X''' to denote prototype motherboard revisions, so '''X4''' means its the fourth prototype revision. When the motherboard is finished and final/retail they change it to '''01'''.''</blockquote>

* The board has '''CPU-X4''' writen on it. A retail Nintendo DSi has '''CPU-01''' writen on it. This is enough to confirm that this is a prototype, noted by Razor83:<blockquote>''Actually Ninty always uses '''X''' to denote prototype motherboard revisions, so '''X4''' means its the fourth prototype revision. When the motherboard is finished and final/retail they change it to '''01'''.''</blockquote>

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