Summary of the latest official iPhone SDK and xcode download URLs for Apple

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

Xcode 3.2.3 and iPhone SDK 4 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

Credits go to Cédric Luthi for telling us the correct URL above

Xcode 3.2.4 and iOS sdks 4.1 for 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

Xcode 3.2.5 and iOS sdks 4.2 for 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