Images of the upcoming OPPO R13 have surfaced online. The device could very well pass off as an iPhone X. Considering the relationship between OPPO and OnePlus, we wouldn't be surprised to see the OnePlus 6 take the same form.
https://www.notebookcheck.net/There-s-a-chance-the-OnePlus-6-copies-the-iPhone-X-s-design.265788.0.html
Not just the OnePlus 6.. i expect more manufacturers to copy the same design. These companies just look at Apple and repeat what they are doing. This includes both good things and mistakes. And the notch is a huge mistake, making the phone looks ugly... However, a possible iPhone SE with this design will be an improvement.. http://www.iphonemode.com/iphone-se-2018-edition-screen-design/ (http://www.iphonemode.com/iphone-se-2018-edition-screen-design/)