Apple(US:AAPL) Qi Lu Wan Bao·2025-10-24 07:48Group 1 - The iPhone 17 Pro and iPhone 17 Pro Max are experiencing a discoloration issue, particularly in the "Starry Orange" and "Deep Blue" color options, as reported by early users on social media [1][6] - The discoloration appears to follow a pattern, starting from the raised camera island area and gradually spreading to the entire aluminum frame, while the central matte glass panel on the back remains unaffected [1] - Users speculate that the discoloration may be related to UV exposure, with some humorously suggesting that placing the "Starry Orange" version in sunlight could result in a unique "Rose Gold" version [6] Group 2 - Some retail store samples of the iPhone also showed scratches on the back, and customer service indicated that they had not received reports of discoloration issues, attributing scratches to potential metal collisions [7] - The iPhone 17 Pro series has shifted from the previous titanium body design to an integrated aerospace-grade aluminum structure, which has undergone multiple forging and precision processing, along with anodizing treatment for enhanced strength and lightness [9] - The new model features a ceramic shield glass on the back, which reportedly improves drop resistance by four times compared to the previous generation while allowing for a thinner design to optimize internal component layout [9]