A final supported iOS is the version that can only support an old device.
iPhone[]
This is a list of versions only on discontinued iPhones.
- iPhone (original) [4GB] - 1.1
- iPhone (original) [8GB and 16GB] - 1.1.5
- iPhone 3G (16GB) - 2.2.1
- iPhone 3G (8GB) - 3.1.3
- iPhone 3GS (16GB and 32GB) - 3.1.3
- iPhone 3GS (8GB) - 5.1.1
- iPhone 4 (16GB and 32GB) - 4.3.5
- iPhone 4S (32GB and 64GB) - 5.1.1
iPod touch[]
This is a list of versions only on discontinued iPod touches.
- iPod touch 1st generation - 1.1.5
- iPod touch 2nd generation (16GB and 32GB models) - 2.2.1
- iPod touch 2nd generation (8GB model)
- iPod touch 3rd generation - 3.1.3
- iPod touch 4th generation (8GB and 64GB models) - 5.1.1
iPad[]
This is a list of versions only on discontinued iPads.
- iPad 1 - 3.2.2
- iPad 2 (32GB and 64GB models) - 9.3.5
- iPad 3 - 9.3.5