The Samsung Galaxy S7 was released over three years ago, and has received its two promised major OS updates—Nougat and Oreo. According to new information, however, the device could be set for one last hurrah, with Samsung apparently working on an Android Pie-based One UI update for the phone.
https://www.notebookcheck.net/Against-all-odds-the-Samsung-Galaxy-S7-could-be-set-to-receive-the-Android-Pie-based-One-UI-update.416281.0.html