Group 1 - The core concept of the new iPhone models, particularly the iPhone 17 Pro and iPhone Air, revolves around the term "Plateau," which signifies a significant design change aimed at enhancing internal structure and functionality [1][3][4] - The iPhone Air serves as a testing ground for future designs, including the anticipated foldable iPhone and the 20th-anniversary model, indicating a strategic shift in Apple's approach to smartphone design [4][5][32] - The iPhone Air's design prioritizes thinness and battery capacity, with approximately 60% of its internal space occupied by the battery, showcasing Apple's engineering efforts to maximize efficiency [8][14][7] Group 2 - The iPhone Air adopts a new horizontal motherboard layout, diverging from the traditional vertical design, which is more common in Android devices, reflecting a shift in Apple's design philosophy [11][12][32] - The iPhone 17 Pro features a similar three-segment layout, focusing on improved heat dissipation and user experience, which aligns with trends seen in Android smartphones [44][61][65] - The internal components of both models have been optimized for space and performance, with the iPhone 17 Pro's battery capacity increased by 406mAh compared to its predecessor, although the overall size remains similar [47][49][70] Group 3 - The iPhone 17 Pro's design has faced criticism for its susceptibility to scratches, particularly around the camera module, indicating potential quality control issues that could affect user satisfaction [35][40][43] - The introduction of a vapor chamber for heat management in the iPhone 17 Pro highlights Apple's commitment to enhancing device performance under load, although it still lags behind some Android competitors in size [52][58][61] - The overall design evolution of the iPhone series suggests a shift towards prioritizing user experience and functionality over aesthetic considerations, as seen in the adoption of the "Plateau" design [72][74]