https://wccftech.com/oneplus-z-should-have-a-quad-camera-setup-suggests-leak/

If everything goes according to the plan then the OnePlus Z should be launching next month along with OnePlus' true wireless earbuds. We have had gathered a lot of information about the OnePlus Z over the past couple of months, but apparently, the leaks just keep coming.

Now the leak in question is coming as a courtesy of Max J, who is renowned for his leaks, especially the ones concerning OnePlus devices. Therefore, there is some credibility to it. However, aside from just a picture, there is no information whatsoever. Max did not even specify the device. But considering how the previous leaks by Max have been about OnePlus Z, we have a strong reason to believe that this one also refers to the same device. This is the picture that Max posted on Twitter.