There are new rumors about the fourth smartphone model from the Mi 8 series called Mi 8X. Three variants of the new M1808D2TE, M1808D2TT and M1808D2TC devices were noticed in the Chinese 3C certificate.
Xiaomi Mi 8X, the fourth model from the Mi 8 series
At the moment there is no more information besides the list above. According to rumors, the smartphone should have a Snapdragon 710 processor, a fingerprint reader in the screen and a battery with the 3100 mAh capacity. In the hierarchy in terms of performance it would be the second smartphone from the flagship Xiaomi, Mi 8.
Mi 8 SE -> Mi 8X -> Mi 8 -> Mi 8 Explorer Edition
All information on the specifications should be taken with a pinch of salt, it is not known how true the information is. I assume that there is some truth in every gossip, and Xiaomi actually works on the fourth Mi 8 smartphone.