List of unsupported firmware

List of discontinued 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
*5.1.1
*6.0
==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
Category:IOS
Category:Lists