The Verge has reported on access it was allowed to a near-production unit of the upcoming OnePlus 7 Pro. The outlet is in a position to state that one of the phone's main cameras has 3X optical zoom as a result. In other news, IceUniverse has claimed to be able to affirm the notchless, curved nature of the 7 Pro's screen.
https://www.notebookcheck.net/OnePlus-7-Pro-preview-confirms-3X-optical-zoom-for-the-phone.419831.0.html