The Android Oreo OTA update rollout for the Honor 7X begins today. While users of the mid-ranger will get their full taste of Android Oreo today, there's still no specific date for the Oreo update rollouts of the Honor 8, Huawei Mate SE, Honor 6X, and Huawei P9.
https://www.notebookcheck.net/Honor-7X-to-receive-stable-Oreo-update-today.301540.0.html