Just a year after the first Mi Max, new leaks revealed that Xiaomi has a successor coming up that they are expected to unveil in May 2017. In addition, they provided a few clues about the hardware in the phablet.
http://www.notebookcheck.net/Xiaomi-Mi-Max-2-may-feature-the-Snapdragon-660-6GB-RAM-and-5000mAh-battery.198336.0.html