Some new Weibo posts purport to show the Vivo Nex 3 in a candid real-life image. Furthermore, this site has also provided what may be a full panel of this upcoming flagship's specifications. It suggests that the device will have 4G and 5G variants, a 6.89-inch screen and a top-end model with 12GB of RAM and 512GB of internal storage.
https://www.notebookcheck.net/The-Vivo-Nex-3-is-allegedly-involved-in-a-new-full-specs-leak.434067.0.html