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【点此直达升级教程】
• 公开测试版：需注册 Apple Beta 版软件计划，之后通过【设置】【通用】【软件更新】【Beta 版更新】来升级；
• 开发预览版：需登录注册苹果开发者计划，之后通过【设置】【通用】【软件更新】来升级。
《苹果 iOS / iPadOS / macOS 固件下载 / 更新日志大全》
本文由机器人发布，IT之家稍后将为大家带来具体更新内容。
2026-06-16：watchOS 26.6 Beta 2 (23U5040d)
2026-05-27：watchOS 26.6 Beta 1 (23U5025e)
2026-05-12：watchOS 26.5 (23T570)
2026-05-05：watchOS 26.5 RC (23T570)
2026-04-28：watchOS 26.5 Beta 4 (23T5568a)
2026-04-21：watchOS 26.5 Beta 3 (23T5558e)
2026-04-14：watchOS 26.5 Beta 2 (23T5553d)
2026-03-31：watchOS 26.5 Beta (23T5541h)
2026-03-25：watchOS 26.4 (23T240)
2026-03-19：watchOS 26.4 RC (23T239)
2026-03-10：watchOS 26.4 Beta 4 (23T5236a)
2026-03-03：watchOS 26.4 Beta 3 (23T5226e)
2026-02-24：watchOS 26.4 Beta 2 (23T5221e)
2026-02-17：watchOS 26.4 Beta (23T5209m)
2026-02-12：watchOS 26.3 (23S620)
2026-02-05：watchOS 26.3 RC (23S618)
2026-01-27：watchOS 26.2.1 (23S314)
2026-01-27：watchOS 26.3 Beta 3 (23S5611c)
2026-01-13：watchOS 26.3 Beta 2 (23S5600d)
2025-12-16：watchOS 26.3 Beta (23S5586d)
2025-12-13：watchOS 26.2 (23S303)
2025-12-04：watchOS 26.2 RC (23S303)
2025-11-18：watchOS 26.2 Beta 3 (23S5297b)
2025-11-13：watchOS 26.2 Beta 2 (23S5286d)
2025-11-05：watchOS 26.2 Beta (23S5280e)
2025-11-04：watchOS 26.1 (23S37)
2025-10-29：watchOS 26.1 RC (23S36)
2025-10-21：watchOS 26.1 Beta 4 (23S5031a)
2025-10-14：watchOS 26.1 Beta 3 (23S5022e)
2025-10-07：watchOS 26.1 Beta 2 (23S5017d)
2025-09-30：watchOS 26.0.1 (23R8362)
2025-09-23：watchOS 26.1 Beta (23S5002i)
2025-09-10：watchOS 26 RC (23R351)
2025-09-03：watchOS 26 Beta 9 (23R5350b)
2025-08-26：watchOS 26 Beta 8 (23R5350a)
2025-08-19：watchOS 26 Beta 7 (23R5346a)
2025-08-12：watchOS 26 Beta 6 (23R5340a)
2025-08-06：watchOS 26 Beta 5 (23R5328g)
2025-07-23：watchOS 26 Beta 4 (23R5317g)
2025-07-08：watchOS 26 Beta 3 (23R5307g)
2025-06-24：watchOS 26 Beta 2 (23R5296f)
2025-06-10：watchOS 26 Beta (23R5280m)
IT之家小伙伴如果找到更多新内容，可以在投稿或评论区中提出你的发现~
