已确认：iOS 5将支持iPhone 3GS、iPod Touch 3代以后的机型，首个Beta版本号9a5220p

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本人刚刚从Apple服务器上刺探到一些最新的信息，已经可以确认首个 iOS 5 的版本号为9a5220p，很有可能将在几个小时之后的WWDC结束后向开发者发布该测试版。根据以往经验，个人预计

首个测试版将同时将支持以下机型：

iPhone 3GS
iPhone 4
iPhone 4 (CDMA)
iPod Touch 3代
iPod Touch 4代
iPad
iPad 2代 WIFI
iPad 2代 GSM
iPad 2代 CDMA
Apple TV（没有特殊标明，不过应该是指的2代吧）

而对应的 Xcode SDK 版本将为 Xcode 4.2 and iOS SDK 5 Beta，将有两个不同的发布包分别支持Snow Leopard 和 Lion。

另外，与去年 iOS 4 的发布类似的是，iTunes也将单独发布 Beta 版本提供给开发者用于升级 iOS 5，版本号为10.5 Beta，并支持Mac、Windows (32bit) 以及 Windows (64 bit)。

同时，下一代的 Safari （Safari 5.1） 也将开始测试（估计是为了配合 iCloud？），并提供Snow Leopard和Windows两种版本。支持Snow Leopard的同时，Apple也没有忘记老一代的Leopard用户，将提供版本号为5.0.6的测试版。而为了Snow Leopard，Apple还专程提供了卸载工具。

对于iCloud，以往的猜测通常有两个方向，一个是取代MobileMe，另一个是取代iTunes，或者说作为这两者之一的延伸。根据最新的数据刺探，本人个人分析它作为MobileMe的延伸的可能更大，尽管也有可能会成为两者的糅合。证据就是，iPhoto将发布9.2测试版来整合iCloud（我们知道，之前iPhoto都是整合MobileMe的）。另外一个证据是，以前的MobimeMe有Windows平台上的控制面板，而现在将同时发布iCloud控制面板（Windows）以及iCloud补丁（Lion）。而最大的证据是，Apple将提供一个官方帮助文档（copying_data_from_mobileme_to_icloud.pdf）向用户提供有关把数据从MobileMe向iCloud迁移的方法。

对于Lion，第四开发者预览版也已经完成，预计会在本届WWDC上一并发布。与本版本Lion同时发布的还有Windows迁移助手工具，可见Lion离我们已经越来越近了。

相关下载地址如下（暂时还全部都无法访问，提示权限不足，需等待Apple正式发布，并且你是对应ADC会员才可下载，很快了，或许几个小时之后就都可以访问了。这也是为什么我没有把它们放成链接的原因。）：

iOS 5 Beta For Apple TV
http://adcdownload.apple.com/ios/ios_5_beta/apple_tv_software_beta.dmg
http://adcdownload.apple.com/ios/ios_5_beta/installing_apple_tv_software_beta.pdf

iOS 5 Beta For iPhone 3GS
http://adcdownload.apple.com/ios/ios_5_beta/ios_5_beta__iphone_3gs__9a5220p.dmg
http://adcdownload.apple.com/ios/ios_5_for_it/ios_5_beta__iphone_3gs__9a5220p.zip

iOS 5 Beta For iPhone 4
http://adcdownload.apple.com/ios/ios_5_beta/ios_5_beta__iphone_4__9a5220p.dmg
http://adcdownload.apple.com/ios/ios_5_for_it/ios_5_beta__iphone_4__9a5220p.zip

iOS 5 Beta For iPhone 4 CDMA
http://adcdownload.apple.com/ios/ios_5_beta/ios_5_beta__iphone_4_cdma__9a5220p.dmg
http://adcdownload.apple.com/ios/ios_5_for_it/ios_5_beta__iphone_4_cdma__9a5220p.zip

iOS 5 Beta For iPod Touch 3Gen
http://adcdownload.apple.com/ios/ios_5_beta/ios_5_beta__ipod_touch_3rd_generation__9a5220p.dmg
http://adcdownload.apple.com/ios/ios_5_for_it/ios_5_beta__ipod_touch_3rd_generation__9a5220p.zip

iOS 5 Beta For iPod Touch 4Gen
http://adcdownload.apple.com/ios/ios_5_beta/ios_5_beta__ipod_touch_4th_generation__9a5220p.dmg
http://adcdownload.apple.com/ios/ios_5_for_it/ios_5_beta__ipod_touch_4th_generation__9a5220p.zip

iOS 5 Beta For iPad
http://adcdownload.apple.com/ios/ios_5_beta/ios_5_beta__ipad__9a5220p.dmg
http://adcdownload.apple.com/ios/ios_5_for_it/ios_5_beta__ipad__9a5220p.zip

iOS 5 Beta For iPad 2 WIFI
http://adcdownload.apple.com/ios/ios_5_beta/ios_5_beta__ipad_2__9a5220p.dmg
http://adcdownload.apple.com/ios/ios_5_for_it/ios_5_beta__ipad_2__9a5220p.zip

iOS 5 Beta For iPad 2 GSM
http://adcdownload.apple.com/ios/ios_5_beta/ios_5_beta__ipad_2_gsm__9a5220p.dmg
http://adcdownload.apple.com/ios/ios_5_for_it/ios_5_beta__ipad_2_gsm__9a5220p.zip

iOS 5 Beta For iPad 2 CDMA
http://adcdownload.apple.com/ios/ios_5_beta/ios_5_beta__ipad_2_cdma__9a5220p.dmg
http://adcdownload.apple.com/ios/ios_5_for_it/ios_5_beta__ipad_2_cdma__9a5220p.zip

Xcode 4.2 and iOS SDK 5 Developer Preview
http://adcdownload.apple.com/Developer_Tools/xcode_4.2_developer_preview/xcode_4.2_developer_preview_readme__snow_leopard.pdf
http://adcdownload.apple.com/Developer_Tools/xcode_4.2_developer_preview/xcode_4.2_developer_preview_readme__lion.pdf
http://adcdownload.apple.com/Developer_Tools/xcode_4.2_developer_preview/xcode_4.2_and_ios_sdk_5_beta__lion.dmg
http://adcdownload.apple.com/Developer_Tools/xcode_4.2_developer_preview/xcode_4.2_and_ios_sdk_5_beta__snow_leopard.dmg

iTunes 10.5 Beta
http://adcdownload.apple.com/ios/itunes_10.5_beta/itunes_10.5_beta__mac.dmg
http://adcdownload.apple.com/ios/itunes_10.5_beta/itunes_10.5_beta__windows.zip
http://adcdownload.apple.com/ios/itunes_10.5_beta/itunes_10.5_beta__windows_64.zip
http://adcdownload.apple.com/Applications/itunes_10.5_beta_for_windows/itunes_10.5_beta__windows_64.zip
http://adcdownload.apple.com/Applications/itunes_10.5_beta_for_windows/itunes_10.5_beta__windows.zip

Safari 5.1
http://adcdownload.apple.com/internet_and_web/safari_5.1_developer_preview/safari_5.1_developer_preview_notes.pdf
http://adcdownload.apple.com/internet_and_web/safari_5.1_developer_preview/safari_5.1_developer_preview_snow_leopard.dmg
http://adcdownload.apple.com/internet_and_web/safari_5.1_developer_preview/safari_5.1_developer_preview_windows.zip
http://adcdownload.apple.com/internet_and_web/safari_5.1_developer_preview_windows/safari_5.1_developer_preview_windows.zip
http://adcdownload.apple.com/internet_and_web/safari_5.1_developer_preview_uninstallers/safari_5.1_developer_preview_snow_leopard_uninstaller.dmg
http://adcdownload.apple.com/internet_and_web/safari_5.1_developer_preview/safari_5.0.6_developer_preview_leopard.dmg
http://adcdownload.apple.com/internet_and_web/safari_5.1_developer_preview_uninstallers/safari_5.0.6_developer_preview_leopard_uninstaller.dmg

iPhoto 9.2
http://adcdownload.apple.com/Applications/icloud_beta/iphoto_9.2_beta.dmg

iCloud
http://adcdownload.apple.com/Applications/icloud_beta/icloud_control_panel_for_windows.dmg
http://adcdownload.apple.com/Applications/icloud_beta/icloud_for_mac_os_x_lion.dmg
http://adcdownload.apple.com/Applications/icloud_beta/copying_data_from_mobileme_to_icloud.pdf

Mac OS X Lion Developer Preview 4
http://adcdownload.apple.com/Mac_OS_X/mac_os_x_lion_developer_preview_4/server_admin_tools_11a480b.dmg
http://adcdownload.apple.com/Mac_OS_X/mac_os_x_lion_developer_preview_4/storekit_framework_for_mac_os_x_lion.dmg
http://adcdownload.apple.com/Mac_OS_X/mac_os_x_lion_developer_preview_4/windows_migration_assistant_setup.zip
http://adcdownload.apple.com/Mac_OS_X/mac_os_x_lion_developer_preview_4/mac_os_x_lion_developer_preview_4_seed_note.rtf
http://adcdownload.apple.com/Mac_OS_X/kernel_debug_kit_mac_os_x_lion_developer_preview_4_build_11a480b/kernel_debug_kit_mac_os_x_lion_developer_preview_4_11a480b.dmg

巴格韦尔

正式版发布，并且JB出来后，才会考虑ios5