OnePlus 5 owners that have been waiting for Android Oreo 8.1 now have an unofficial option allowing them to updateLineageOS is a custom OS which you can flash onto your supported Android devices using a custom recovery or using ADB sideload. It is the successor to CyanogenMOD, which many people know about since it was around for so long. Custom OS's such as CyanogenMOD and LineageOS are created for the sole purpose of having a stock Android feel, but with added features on top of the OS which are not included with the vanilla version of Android that Google ships on their Nexus and Pixel devices.LineageOS and many other custom OS's can be used to jump to versions of Android which haven't been released for the phone that you are on yet. This is the case for OnePlus 5 users as an alpha release of LineageOS 15.1 allows users of the device to flash the custom OS and have the benefits of Android Oreo 8.1. A downside to this method is that because these aren't official releases from the...
