The Surface Duo was missing a lot of important features that would have made it a much better phone and a more successful device, and lots of people complained and really the device kind of fell flat in a lot of areas. For the Microsoft Surface Duo 2, it seems like Microsoft really listened to criticism and went back to the drawing board and gave people what they wanted. The Surface Duo 2 screen is bigger and has 90hz, the Surface Duo 2 Battery Life is MUCH improved and more battery, the Surface Duo 2 cameras are a huge improvement, the Surface Duo 2 now has 5G, and the Surface Duo 2 now has the Snapdragon 888 to power it into the future!