A new report from South Korea’s ET News has added weight to recent reports that Apple will be going with OLED displays for all of its 2018 iPhone models, dispelling previous rumours that the company had planned to release a 6.1-inch model with a full-faced iPhone X style display, but in LCD rather than OLED. Citing industry sources, however, the ET News says that Apple has recently decided to adopt OLED across all three models of iPhone to be…