OnePlus has started rolling out updates to Android Oreo for the OnePlus 5 and the OnePlus 5T at the beginning of the year. Three months later and it is already time to upgrade to Oreo 8.1 that is used as a base for the Oxygen OS 5.1.0. Screenshots of the new update The update is 766 MB in size and brings the latest security patch. There are also optimizations for the Gaming mode, including power efficiency settings and network prioritization. There are also some new features for the Launcher like added category tags in the search section and auto name folders, based on...
Source: https://www.gsmarena.com/oneplus_5_5t_receive_android_oreo_8_1-news-30572.php