In the database WFA seen smartphone ZTE Z851
Source found in a database of devices certified by the organization Wi-Fi Alliance (WFA), a new smartphone ZTE. Device is the index of the model Z851.
It is interesting that the device passed the certification WFA, running the operating system Android 7.1.1 Nougat.
Unfortunately, other details about the new ZTE available. However, the probability of their occurrence increases as you get closer to the announcement of the device.
Source: GSM Arena