List of unsupported firmware by Apple Inc.
The following is a list of firmware that expired long ago.
iOS
4.0 4.0.1 4.0.2 4.1 4.2 4.2.1 4.2.5 4.2.6 4.2.7 4.2.8 4.2.9 4.2.10 4.3 4.3.1 4.3.2 4.3.3 4.3.4 4.3.5 5.0 5.0.1 5.1
iPod classic
1.5 2.3 3.1.1 1.2.1 1.3 1.1.2
iPod nano
1.3.1 1.1.3 1.1.3 1.0.4 1.0.2
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