XO-3 was a tablet/e-book reader intended to be developed under the One Laptop per Child initiative, but the project was cancelled in November 2012, replaced by the XO tablet. It was planned to have a tablet computer form factor over the canceled dual-screen design concept of the XO-2. The inner workings were those of the XO 1.75  together with the same ARM processor.
The XO-3 featured an 8-inch 4:3 1024 x 768-resolution display and used a Marvell Technology Group Marvell Armada PXA618  SoC. The XO-3 was intended to feature innovative charging options such as a hand crank or a solar panel.
The XO-3 tablet was planned to be released in 2012 for a target price below $100. The XO-3 and accompanying solar cell & handcrank power options were demoed at the International Consumer Electronics Show (CES) in January, 2012 as shown on BBC News technology programme Click.
- "OLPC cancels XO-3 tablet, downplays need for new hardware". Network World.
- "XO-3 concept design is here!", December 24, 2009
- ARMADA 618, Marvell Technology Group website
- "OLPC XO 3.0 tablet to debut at CES: 8-inch configurable with Pixel Qi display and Android starting under $100", Jan 7, 2012
- Cieslak, Marc (January 11, 2012). "CES 2012: One Laptop per Child gets tablet makeover". BBC. Retrieved January 29, 2012.
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