iPhone 3GS Firmware Download
iPhone 3GS firmware download — 26 firmware versions, IPSW direct download from Apple servers, with signing status verification and SHA-256/SHA-1/MD5 checksum validation. Released unknown, latest version 6.1.6 (build 10B500). 2 signed firmware versions currently available for restore.
Signed Firmware
Still verified by Apple servers, can be restored
2 versions
Unsigned Firmware
No longer verified by Apple, for downgrade reference only
24 versions
| Version | Build | Size | Released | Downloads | Signing | Action |
|---|---|---|---|---|---|---|
| 6.1.3 | 10B329 | 785 MB | -- | Unsigned | Details → | |
| 6.1.2 | 10B146 | 785 MB | -- | Unsigned | Details → | |
| 6.1 | 10B141 | 785 MB | -- | Unsigned | Details → | |
| 6.0.1 | 10A523 | 780 MB | -- | Unsigned | Details → | |
| 6.0 | 10A403 | 780 MB | -- | Unsigned | Details → | |
| 5.1.1 | 9B206 | 687 MB | -- | Unsigned | Details → | |
| 5.1 | 9B176 | 687 MB | -- | Unsigned | Details → | |
| 5.0.1 | 9A405 | 685 MB | -- | Unsigned | Details → | |
| 5.0 | 9A334 | 669 MB | -- | Unsigned | Details → | |
| 4.3.5 | 8L1 | 420 MB | -- | Unsigned | Details → | |
| 4.3.4 | 8K2 | 420 MB | -- | Unsigned | Details → | |
| 4.3.3 | 8J2 | 420 MB | -- | Unsigned | Details → | |
| 4.3.2 | 8H7 | 420 MB | -- | Unsigned | Details → | |
| 4.3.1 | 8G4 | 420 MB | -- | Unsigned | Details → | |
| 4.3 | 8F190 | 423 MB | -- | Unsigned | Details → | |
| 4.2.1 | 8C148a | 401 MB | -- | Unsigned | Details → | |
| 4.0.2 | 8A400 | 378 MB | -- | Unsigned | Details → | |
| 4.0.1 | 8A306 | 378 MB | -- | Unsigned | Details → | |
| 4.0 | 8A293 | 378 MB | -- | Unsigned | Details → | |
| 3.1.3 | 7E18 | 291 MB | -- | Unsigned | Details → | |
| 3.1.2 | 7D11 | 306 MB | -- | Unsigned | Details → | |
| 3.1 | 7C144 | 306 MB | -- | Unsigned | Details → | |
| 3.0.1 | 7A400 | 298 MB | -- | Unsigned | Details → | |
| 3.0 | 7A341 | 298 MB | -- | Unsigned | Details → |