iPod touch 2G Firmwares
| Version | Build | Release date | Size | Signed | Jailbreak | Details |
|---|---|---|---|---|---|---|
| iOS 4.2.1 Latest | 8C148 | — | 346.71 MB | Signed | None | Details |
| iOS 4.1 | 8B117 | — | 331.90 MB | Signed | None | Details |
| iOS 4.0.2 | 8A400 | — | 328.30 MB | Unsigned | None | Details |
| iOS 4.0 | 8A293 | — | 314.98 MB | Unsigned | None | Details |
| iOS 2.2.1 | 5H11a | — | 277.65 MB | Unsigned | None | Details |
| iOS 2.2 | 5G77a | — | 277.64 MB | Unsigned | None | Details |
| iOS 2.1.1 | 5F138 | — | 269.02 MB | Unsigned | None | Details |
Only versions Apple is currently signing can actually be installed. Download links point directly to Apple's servers.