Xcode and IOS versions and download addresses

After logging on to the App Store account, you can directly download the address:
(Apple has deleted versions earlier than 3.1.2)
Record an old IOS SDK

IPhone SDK 2.2.1:
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_for_iphone_ OS _2.2.1 _ 9m2621a _ final/iphone_sdk_for_iphone_ OS _2.2.19m2621afinal.dmg

IPhone sdks 3.0 with xcode 3.1.3-Leopard:
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_3.0 _ final/iphone_sdk_3.0 _ leopard _ 9m2736 _ final. DMG

IPhone SDK 3.0 with xcode 3.2-Snow Leopard:
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_3.0 _ final/iphone_sdk_3.0 _ snow_leopard _ final. DMG


IPhone sdks 3.1 with xcode 3.1.4-Leopard:
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_3.1 _ final/iphone_sdk_3.20.with_xcode_3.20.final _ leopard _ 9m2809. DMG

IPhone sdks 3.1 with xcode 3.2.1-Snow Leopard:
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_3.1 _ final/iphone_sdk_3.20.with_xcode_3.2_final _ snow_leopard _ 10a432. DMG

IPhone SDK 3.1.2 with xcode 3.1.4-Leopard:
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_3.1.2 _ final/iphone_sdk_3.1.2_with_xcode_3.1.4 _ leopard _ 9m2809. DMG

IPhone SDK 3.1.2 with xcode 3.2.1-Snow Leopard:
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_3.1.2 _ final/iphone_sdk_3.1.2_with_xcode_3.2.1 _ snow_leopard _ 10m2003. DMG

IPhone SDK 3.1.3 with xcode 3.1.4-Leopard:
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_3.1.3 _ final/iphone_sdk_3.1.3_with_xcode_3.1.4 _ leopard _ 9m2809a. DMG

IPhone SDK 3.1.3 with xcode 3.2.1-Snow Leopard:
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_3.1.3 _ final/iphone_sdk_3.1.3_with_xcode_3.2.1 _ snow_leopard _ 10m2003a. DMG

IPhone sdks 3.2 beta 4 with xcode 3.2.2-Snow Leopard:
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_3.2_beta_4/iphone_sdk_3.2_beta_4_with_xcode_3.2.2.dmg

IPhone sdks 3.2 final with xcode 3.2.2-Snow Leopard:
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_3.2 _ final/xcode_3.2.2_and_iphone_sdk_3.2_final.dmg


IPhone SDK 3.1.3 with xcode 3.1.4 for leopard (10.5.7)
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_3.1.3 _ final/iphone_sdk_3.1.3_with_xcode_3.1.4 _ leopard _ 9m2809a. DMG

IPhone SDK 3.1.3 with xcode 3.2.1 for snow leopard (10.6.0)
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_3.1.3 _ final/iphone_sdk_3.1.3_with_xcode_3.2.1 _ snow_leopard _ 10m2003a. DMG

IPhone sdks 3.2 final with xcode 3.2.2 for snow leopard (10.6.0)
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_3.2 _ final/xcode_3.2.2_and_iphone_sdk_3.2_final.dmg

Xcode 3.2.3 and iPhone SDK 4 GM seed for snow leopard (10.6.2)
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_4_gm_seed/xcode_3.2.3_and_iphone_sdk_4_gm_seed.dmg

IPhone SDK 4AndXcode
3.2.3 final for snow leopard (10.6.2)
Http://developer.apple.com/ios/download.action? Path =/iPhone/iphone_sdk_4 _ final/xcode_3.2.3_and_iphone_sdk_4 _ final. DMG

Xcode 3.2.3 and iOS SDK 4.0.1 for snow leopard (10.6.4)
Http://developer.apple.com/ios/download.action? Path =/IOS/ios_sdk_4.0.1 _ final/xcode_3.2.3_and_ios_sdk_4.0.1.dmg

Xcode 3.2.3 and iOS SDK 4.0.2 for snow leopard (10.6.4)
Http://developer.apple.com/ios/download.action? Path =/IOS/ios_sdk_4.0.2 _ final/xcode_3.2.3_and_ios_sdk_4.0.2.dmg

For ios sdk 4.1AndXcode
3.2.4For snow leopard (10.6.4)
Http://developer.apple.com/ios/download.action? Path =/IOS/ios_sdk_4.1 _ final/xcode_3.2.4_and_ios_sdk_4.1.dmg

Xcode 3.2.5 and iOS sdks 4.2 GM for snow leopard (10.6.4)
Https://developer.apple.com/ios/download.action? Path =/IOS/ios_sdk_4.2_gm_seed/xcode_3.2.5_and_ios_sdk_4.2_gm_seed.dmg

For ios sdk 4.2AndXcode
3.2.5For snow leopard (10.6.4)
Http://developer.apple.com/ios/download.action? Path =/IOS/ios_sdk_4.2 _ final/xcode_3.2.5_and_ios_sdk_4.2_final.dmg