Apple(US:AAPL) Huan Qiu Wang Zi Xun·2026-01-19 02:28Core Viewpoint - Apple's recent decision to change its system update strategy has garnered significant attention, requiring millions of iPhones globally to upgrade their systems promptly to ensure security [1][4]. Group 1: System Update Strategy - Apple has adjusted its system update policy, allowing only three models to receive maintenance for the old iOS 18 series, while all other models must upgrade to iOS 26 for security [1][4]. - The iOS 26 was launched last year, replacing iOS 18, and typically, Apple provides several months of supplementary updates for older systems [4]. Group 2: Implications for Users - As of December 12, 2022, iPhone 11 and newer models must upgrade to iOS 26, as they will no longer receive security updates for the old system [4]. - iOS 26.2 includes multiple security patches, and failure to upgrade poses security risks for users [4]. - The rumored transitional patch iOS 26.2.1 has been canceled, with security optimizations now integrated into iOS 26.3, emphasizing the urgency of the upgrade [4]. Group 3: Recommendations - It is recommended that users of the XS series upgrade to iOS 18.7.3 immediately, while all other models should upgrade to iOS 26 as security protection takes precedence over usage habits [4].