Xiaomi's popular mid-range Mi A1 smartphone continues to receive full software support, the latest update for this handset bringing the official security patch dated August 5. Even better, the new firmware also addresses the notification LED bug that arrived earlier this summer with the Android 8.1 Oreo update.
https://www.notebookcheck.net/The-Xiaomi-Mi-A1-gets-a-new-security-patch-which-also-fixes-the-notification-LED-bug.324112.0.html