Image courtesy Oppo There has been a series of new smartphone designs for the last few years, with various tech giants trying to outdo each other, with some inventing new smartphone designed while others trying to come up with an alternative or try and catch up fast. Recent frontiers in phone design have been largely focused on the display, with an attempt to either give us a full screen display with zero bezels or fully utilize flexible displays and come up with foldable phones. In order to achieve as much display as possible while maintaining the phone size, various phone manufacturers have tried different approaches, according to how far their engineering capabilities could take them. The biggest challenge in achieving a full screen display has been the selfie camera, whichbis now a must have smartphone spec, the earpiece and the infra red sensors. While many manufacturers decided to go for a notch to house these components, Samsung decided to go for a more advanced hole-punch displ...