As Apple prepares for the release of the iPhone 19 series, new leaks reveal significant design changes and technical challenges. The iPhone 19 Pro and Pro Max are currently undergoing Engineering Validation Testing (EVT), a crucial phase that assesses the reliability of hardware components. A key feature being tested is a Quad-Curved display, which aims to eliminate visible screen edges for a more seamless appearance. However, the front camera will still have a small hole-punch cutout, while Face ID technology is expected to be integrated beneath the display. This design choice could blur the lines between the standard Pro models and the anticipated 'anniversary' iPhone set to launch in 2027. According to reports from MacRumors, the fully curved display was initially thought to be a unique feature for the anniversary model. If the Pro models also adopt this technology, distinguishing between the two could become challenging. Additionally, Apple faces hurdles with the image quality of the under-display front camera, which may lead to its exclusion from the iPhone 19 series if unresolved.