苹果iPhone国行机型在升级至iOS 27开发者预览版Beta 1后，正式推出AI壁纸扩图功能。用户长按锁屏壁纸选择新照片，通过捏合手势激活扩图，选定主体后点击“扩展”，系统智能扩充背景，生成全新壁纸，提供便捷的个性化锁屏体验。
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