Rumors indicate that Apple's 2028 iPhone may feature a refined four‑edge curved glass display, narrower bezels, and a 200‑megapixel periscope telephoto camera, according to multiple sources. The device is expected to follow the 20th anniversary model introduced in 2027, which will debut a curved all‑glass body and a display that wraps around all four edges, though early versions are reported to include visible compromises such as image distortion and brightness loss in the curved areas. According to Korea's ETNews, the 2028 model is said to replace the magnesium‑silver alloy cathode used in the 2027 anniversary phone with more transparent indium zinc oxide cathodes, which could reduce distortion, improve brightness uniformity, and lessen heat buildup at the curved edges. Apple aims to move the Face ID sensor and front camera beneath the display for a cutout‑free front; under‑display Face ID is considered unlikely for the 2027 model, making the 2028 version a more probable candidate for this technology, potentially via a smaller hole‑punch or an integrated under‑display solution. The narrower bezels anticipated with the indium zinc oxide cathodes may allow a closer to all‑screen design than the 2027 model. Apple is also weighing tandem OLED technology for the 2028 iPhone, building on its use in the M4 iPad Pro; reports suggest a simplified approach that stacks two organic light‑emitting layers for the blue sub‑pixel only, though Apple has not confirmed the decision. The high‑end 2028 models are rumored to use an A22 Pro chip fabricated on a 1.4‑nanometer process, reportedly based on TSMC's A14 node, which could deliver up to 15 % higher performance than a 2‑nanometer chip or achieve the same performance with 30 % lower power consumption; TSMC is expected to produce the majority of the chips, while Apple is said to consider Intel for some manufacturing. Additionally, a 200‑megapixel periscape telephoto sensor has been tested in prototypes, with analysts suggesting its arrival in the iPhone may be limited to 2028, enabling greater detail capture and more flexible cropping without quality loss. All details remain subject to change as the launch approaches.