iOS 4

An internal build of iOS 4 running on an iPhone 4

iOS 4 is a version of iOS that was released on 21 June 2010. It is the first iOS version issued under the "iOS" rebranding, dropping the "iPhone OS" naming convention of previous versions, in iPhone 3G and second-generation iPod Touch, those devices running this OS still called "iPhone OS 4".

Builds[edit | edit source]

Factory & InternalUI[edit | edit source]

iOS 4.0[edit | edit source]

iOS 4.1[edit | edit source]

iOS 4.0[edit | edit source]

iOS 4.0.1[edit | edit source]

iOS 4.0.2[edit | edit source]

iOS 4.1[edit | edit source]

iOS 4.1.1[edit | edit source]

iOS 4.2[edit | edit source]

iOS 4.2.1[edit | edit source]

iOS 4.2.2[edit | edit source]

iOS 4.2.3[edit | edit source]

iOS 4.2.4[edit | edit source]

iOS 4.2.5[edit | edit source]

iOS 4.2.6[edit | edit source]

iOS 4.2.7[edit | edit source]

iOS 4.2.8[edit | edit source]

iOS 4.2.9[edit | edit source]

iOS 4.2.10[edit | edit source]

iOS 4.3[edit | edit source]

iOS 4.3.1[edit | edit source]

Leaked build 8G4

iOS 4.3.2[edit | edit source]

Leaked build 8H7
Leaked build 8H8

iOS 4.3.3[edit | edit source]

Leaked build 8J2
Leaked build 8J3

iOS 4.3.4[edit | edit source]

Leaked build 8K2

iOS 4.3.5[edit | edit source]

Leaked build 8L1