Microsoft nearly solved one of folding phones’ worst problems: New patent reveals spring-loaded hinge design for canceled Surface Duo 3
windowscentral.com May 14, 2026

Microsoft nearly solved one of folding phones’ worst problems: New patent reveals spring-loaded hinge design for canceled Surface Duo 3

AI-summarised brief · reviewed before publication

Microsoft has developed a spring-loaded hinge design for its canceled Surface Duo 3 smartphone, addressing a common issue with folding phones. The design features a button that, when pressed, slightly opens the device, making it easier to open with one hand. This solution aims to alleviate the difficulty of prying open the two halves of a folding phone due to flat edges or strong magnets. The patent reveals two potential implementations of the spring-loaded hinge, with the button located on the spine or integrated into the power button. Microsoft's exploration of this design showcases its efforts to differentiate its folding screen smartphone from competitors. The company's pivot to a folding screen design occurred in 2022, after deciding that dual-screen devices were not appealing to the market. Microsoft's Surface phone efforts were scrapped in 2023.

💡 Why It Matters

  • · The spring-loaded hinge design could have set Microsoft's folding phone apart from others in the market, offering a unique user experience.
  • · By addressing a common complaint with folding phones, Microsoft's design could have provided a competitive edge.