A bunch of live images of an Oppo smartphone appeared online but unfortunately, even the source doesn't know the exact model of the handset. The anonymous tipster himself isn't sure if this is the upcoming R19 or the F11. What's for sure is that the phone has a pop-up selfie camera similar to the vivo NEX, which lets it do without a notch or a punch hole camera. Oppo's mysterious phone from the front and back We assume this is the F11 we are seeing here given the thick bezels. After all, the R-series are flagship phones so we would expect slimmer bezels or at least just as...