It seems that the update state employee Xiaomi Redmi Note 3 to the latest version of Pro Android Nougat still happen. This is indicated by the previously published list of devices Xiaomi, which, presumably, will be updated, and the appearance of the smartphone to the new firmware in Geekbench. Another proof was the information from GFXBench.
According to information from the benchmark, on the tested Redmi Note 3 Pro is running Android 7.1.1 system. The fact that this is not the custom, signature says that the OS is modified Xiaomi, that is, it is MIUI. When at least a beta firmware is released, there is no information. Now closed beta firmware for Android smartphones are 7 Mi 4C, Mi 4S, and Mi Note Pro, and Mi 5 already received available to all users of the weekly version. Probably the update will take more soon. After all, as recently as last month, Redmi Note 3 has received the M All Android.