By HIGHLIGHTS OnePlus could reveal launch date of OnePlus 9 series later today OnePlus 9 Pro rumoured to have quad cameras on the back OnePlus 9 Pro in iconic sandstone finish leaks in new images OnePlus 9 Pro has leaked yet again, this time in a sandstone black finish that is reminiscent of the earlier OnePlus phones. OnePlus is set to announce something later today and chances are that we may get the exact date of the launch of the OnePlus 9 series. The OnePlus 9, 9 Pro and 9 Lite/9R/9E have been rumoured to launch by mid-March but the company is yet to reveal any official details.