iQOO has confirmed that it will launch its Snapdragon 870-powered Neo5 on March 16, 2021. However, new leaks suggest that it will have a second Android device to debut in the same month. The Z3 is thought to be the successor to the Z1, and, thus, to run on the new MediaTek Dimensity 1200 SoC.
https://www.notebookcheck.net/The-iQOO-Z3-might-be-a-phone-that-launches-with-the-new-Dimensity-1200-processor.527088.0.html