What is Surface Duo? Foldable tablet that can be used as a phone Based around Google Android Surface Duo price and release date Available from AT&T, Microsoft Store and Best Buy in the US 18 February 2021: Available in UK, Canada, France, Germany Surface Duo software Android with a light skin based on Android 10 Development now in house Surface Duo displays Dual 5.6-inch (1,800 x 1,350 resolution) OLED displays with 4:3 aspect ratio Can work separately or as an 8.1-inch single (2,700 x 1,800) 3:2 screen Designed with no external display Surface Pen support Surface Duo hardware Qualcomm Snapdragon 855 platform, 6GB RAM 64GB storage (up to 256GB optional) It’s a 4G device, no 5G connectivity Surface Duo camera Single 11 megapixel camera, f/2.0 aperture Video support up to 4K