The Vivo Y3 is a sub-US$250 phone sold in China. A new leak suggests that the OEM is going to release a second version of this device. It may be called the 'Y3 Standard' and have 2 rear cameras where the original has 3.
https://www.notebookcheck.net/Vivo-may-release-a-Standard-version-of-the-Y3-soon.438768.0.html