Lenovo's latest flagship smartphone has been released today (April 23, 2019), as scheduled. Its launch confirms the presence of a quadruple rear camera, which incorporates a 48MP module as expected. Besides this, it has a Snapdragon 855 processor, a 12GB RAM variant and a 4000mAh battery.
https://www.notebookcheck.net/The-Lenovo-Z6-Pro-is-officially-released.418810.0.html