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苹果正式推送 iOS 27：Siri AI 全面升级，老机型性能优化
苹果正式发布 iOS 27，延续 Liquid Glass 设计，重点升级 Siri AI：新版 Siri 可读取屏幕内容、在受支持应用内执行操作，并接入 Apple Intelligence 模型。系统支持 iPhone 11 系列及更新机型与第二代 iPhone SE，但新 Siri AI 需 iPhone 15 Pro 或更新机型，部分功能需 iPhone 17 Pro 或 iPhone Air，并受语言和地区限制。照片应用新增 Clean Up、Extend、Reframe 等 AI 功能，Safari、音乐、天气、密码、日历、提醒、电话、FaceTime、AirPods 和 CarPlay 均有更新；锁屏、主屏幕和 Liquid Glass 可定制性增强，官方称老机型性能有明显提升。
AI推荐理由 内容为 iOS 27 正式推送的整理报道，给出了 Siri AI 升级、硬件门槛（新 Siri 需 iPhone 15 Pro 及以上，部分功能需 iPhone 17 Pro 或 iPhone Air）、照片/信息等系统应用 AI 功能及老机型性能优化等具体信息，信息密度尚可；但来源为 AIbase 聚合媒体，非 Apple 官方发布，正文未提供可验证的官方链接或实测数据，且部分表述（如“老机型性能大幅优化”）缺乏量化证据，故质量分中等。对关注端侧 AI 与 Apple Intelligence 落地的读者有参考价值。
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Apple Officially Releases iOS 27: Comprehensive Siri AI Upgrade, Significant Performance Optimization for Older Models
AIbase基地
Published inAI News · 3 min read · Sep 15, 2026
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Apple officially released iOS 27, which is a major software update for iPhone in recent years. The system continues the Liquid Glass design, enhances Siri AI capabilities, makes multiple adjustments to system apps such as Photos and Messages, adds AI features, parental controls, and optimizes performance.
Siri Redesigned: Can Read the Screen, Operate Apps, and Hardware Requirements Have Increased
iOS 27 supports iPhone 11 series and newer models, as well as the second-generation iPhone SE. Some Apple Intelligence features have higher hardware requirements: the new Siri AI requires iPhone 15 Pro or newer models, and some features require iPhone 17 Pro or iPhone Air, and are also subject to language and region restrictions.
After the redesign, Siri can use the Apple Intelligence model to access information on the device and perform actions. It can also search online, understand screen content, and operate within supported apps.
The system interface has also become more customizable: Liquid Glass now includes transparency adjustment, menu and navigation bar contrast adjustments; the lock screen supports photo-generated fill expansion, Image Playground-generated lock screen wallpapers, and a new small-sized clock layout; the home screen supports larger widgets.
System Apps Receive Major Upgrades, Older Models See Significant Speed Improvements
The Photos app now includes AI features like Clean Up, Extend, and Reframe, and also supports saving a single frame from a video as a photo, adding keywords, and rating. Safari now includes theme organization, Resume Browsing, and Notify Me features; multiple system apps such as Apple Music and Weather have also been updated — the Password app can automatically update risky passwords, Calendar and Reminders support natural language creation, Phone adds Call Context functionality, FaceTime call quality improves, and AirPods and CarPlay also include new features.
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