
iOS 6
6 builds

iOS 6
6 builds| Version | Build | Released | Size | Status | Download |
|---|---|---|---|---|---|
| iOS 6.1.6 | 10B500 |
823 MB | Signed | IPSW | |
| iOS 6.1.3 | 10B329 |
823 MB | Unsigned | IPSW | |
| iOS 6.1.2 | 10B146 |
823 MB | Unsigned | IPSW | |
| iOS 6.1 | 10B141 |
823 MB | Unsigned | IPSW | |
| iOS 6.0.1 | 10A523 |
818 MB | Unsigned | IPSW | |
| iOS 6.0 GMRC | 10A403 |
818 MB | Unsigned | IPSW |

iOS 5
4 builds

iOS 5
4 builds| Version | Build | Released | Size | Status | Download |
|---|---|---|---|---|---|
| iOS 5.1.1 | 9B206 |
720 MB | Unsigned | IPSW | |
| iOS 5.1 | 9B176 |
720 MB | Unsigned | IPSW | |
| iOS 5.0.1 | 9A405 |
718 MB | Unsigned | IPSW | |
| iOS 5.0 GMRC | 9A334 |
701 MB | Unsigned | IPSW |

iOS 4
13 builds

iOS 4
13 builds| Version | Build | Released | Size | Status | Download |
|---|---|---|---|---|---|
| iOS 4.3.5 | 8L1 |
441 MB | Unsigned | IPSW | |
| iOS 4.3.4 | 8K2 |
441 MB | Unsigned | IPSW | |
| iOS 4.3.3 | 8J2 |
441 MB | Unsigned | IPSW | |
| iOS 4.3.2 | 8H7 |
441 MB | Unsigned | IPSW | |
| iOS 4.3.1 | 8G4 |
440 MB | Unsigned | IPSW | |
| iOS 4.3 GMRC | 8F190 |
444 MB | Unsigned | IPSW | |
| iOS 4.2.1 GMRC | 8C148 |
421 MB | Unsigned | IPSW | |
| iOS 4.2.1 GMRC | 8C148a |
421 MB | Unsigned | IPSW | |
| iOS 4.1 GMRC | 8B117 |
401 MB | Signed | IPSW | |
| iOS 4.0.2 | 8A400 |
396 MB | Unsigned | IPSW | |
| iOS 4.0.1 | 8A306 |
396 MB | Unsigned | IPSW | |
| iOS 4.0 GMRC | 8A293 |
396 MB | Unsigned | IPSW | |
| iOS 4.2 | 8C134 |
421 MB | Unsigned | IPSW |

iPhone OS 3
5 builds

iPhone OS 3
5 builds| Version | Build | Released | Size | Status | Download |
|---|---|---|---|---|---|
| iPhone OS 3.1.3 | 7E18 |
305 MB | Unsigned | IPSW | |
| iPhone OS 3.1.2 | 7D11 |
321 MB | Unsigned | IPSW | |
| iPhone OS 3.1 | 7C144 |
321 MB | Unsigned | IPSW | |
| iPhone OS 3.0.1 | 7A400 |
312 MB | Unsigned | IPSW | |
| iPhone OS 3.0 GMRC | 7A341 |
312 MB | Unsigned | IPSW |
No firmware matches these filters.
How to install iOS on iPhone 3GS with an IPSW file
Back up your iPhone 3GS first. Connect it to a computer, open Finder on macOS or iTunes on Windows, then hold Option (Mac) or Shift (Windows) while you click Restore and pick the IPSW file. Your device will be erased and the selected version installed. Follow our restore guide for every step.
Only firmware marked as Signed can be installed today. To leave a beta and return to the public release, restore the latest signed release build listed above.
Other iPhone models
Data from AppleDB, last updated .
