Vivo is an OEM that mostly produces smartphones with modern features such as multiple cameras. However, these handsets have not been officially available in certain regions. However, new reports indicate that this company is hiring for pivotal positions in Central Europe, indicating that Vivo intends to establish a presence there.
https://www.notebookcheck.net/The-smartphone-OEM-Vivo-shows-signs-of-breaking-into-new-markets.427627.0.html