4.1 Firmware Download
4.1 firmware download — compatible with 8 devices, released Unknown, build 8B117、8M89、8B118. Download links direct to Apple servers, with signing status verification and SHA-256/SHA-1/MD5 checksum validation. 4 devices can still verify this firmware version.
iPhone (3)
3 devices support this version
| Device | Identifier | Build | Size | Signing | Action |
|---|---|---|---|---|---|
| iPhone 3G | iPhone1,2 | 8B117 | 308 MB | Signed | Details → |
| iPhone 3GS | iPhone2,1 | 8B117 | 382 MB | Signed | Details → |
| iPhone 4 (GSM) | iPhone3,1 | 8B117 | 590 MB | Unsigned | Details → |
Apple TV (1)
1 devices support this version
| Device | Identifier | Build | Size | Signing | Action |
|---|---|---|---|---|---|
| Apple TV 2G | AppleTV2,1 | 8M89 | 242 MB | Unsigned | Details → |
iPod touch (4)
4 devices support this version
| Device | Identifier | Build | Size | Signing | Action |
|---|---|---|---|---|---|
| iPod touch 2G | iPod2,1 | 8B117 | 332 MB | Signed | Details → |
| iPod touch 3 | iPod3,1 | 8B117 | 370 MB | Signed | Details → |
| iPod touch 4 | iPod4,1 | 8B118 | 580 MB | Unsigned | Details → |
| iPod touch 4 | iPod4,1 | 8B117 | 580 MB | Unsigned | Details → |