Update: Despite the fact that Xiaomi has not updated all of their smartphones to Android Mrshmallow, but the company is actively working on a MIUI 9 based on Android 7.1 Nougat, which is still in the test process.
Proof of this came in the web today, when the screenshots of the latest MIUI 9 has been apeared, we clearly see a build name – 9.10.13 with the update size of up to 1.8GB. Recently, we had MIUI 9 6.9.23, but not any specific word about the new firmware from the manufacturer. Perhaps more information from insiders entered in the near future, including screenshots of the implementation of the split screen function, new features and other functions of Android 7.1 Nougat.
Over the past few days, there have been a few leaks regarding the MIUI 9 with Android 7.0 Nougat. Now new screenshot has been posted on Weibo that confirms the Xiaomi MIUI 9 is in working mode. While details of the upcoming UI are still speculative.
A screenshot posted on the Weibo shows the MIUI 9 screenshot image. According to the image, the MIUI 9 showing us a build number 6.9.23. No further clarification on Android 7.0 Nougat. While the details on the Xiaomi MIUI 9 are limited.
It is also possible that the leaked screenshot is simply a variant of the Mi Note 2 Pro. The MIUI 9 is expected to be rolled out on selected devices such as Xiaomi Redmi Note 3, Redmi 2 Prime, Redmi 3, Redmi 3S, Redmi 3A, Mi4S, Mi4c, Mi 5, Mi Max, Mi Note/Pro, Mi4i, Mi Pad 2, Redmi Note 4, Redmi Pro, Xiaomi Mi5s, and Mi 5s Plus in late December 2016 or early January 2017.