8.1 Firmware Download
8.1 firmware download — compatible with 36 devices, released 2014-10-20, build 12B411、12B410、12B410a. Download links direct to Apple servers, with signing status verification and SHA-256/SHA-1/MD5 checksum validation. This version is no longer signed, for downgrade reference only.
iPhone (9)
9 devices support this version
| Device | Identifier | Build | Size | Signing | Action |
|---|---|---|---|---|---|
| iPhone 6 | iPhone7,2 | 12B411 | 1.94 GB | Unsigned | Details → |
| iPhone 6+ | iPhone7,1 | 12B411 | 2.24 GB | Unsigned | Details → |
| iPhone 5c (Global) | iPhone5,4 | 12B411 | 1.70 GB | Unsigned | Details → |
| iPhone 5c (GSM) | iPhone5,3 | 12B411 | 1.70 GB | Unsigned | Details → |
| iPhone 5s (Global) | iPhone6,2 | 12B411 | 1.94 GB | Unsigned | Details → |
| iPhone 5s (GSM) | iPhone6,1 | 12B411 | 1.94 GB | Unsigned | Details → |
| iPhone 4s | iPhone4,1 | 12B411 | 1.66 GB | Unsigned | Details → |
| iPhone 5 (Global) | iPhone5,2 | 12B411 | 1.69 GB | Unsigned | Details → |
| iPhone 5 (GSM) | iPhone5,1 | 12B411 | 1.69 GB | Unsigned | Details → |
iPad (24)
24 devices support this version
| Device | Identifier | Build | Size | Signing | Action |
|---|---|---|---|---|---|
| iPad Air 2 (Cellular) | iPad5,4 | 12B410 | 2.08 GB | Unsigned | Details → |
| iPad Air 2 (WiFi) | iPad5,3 | 12B410 | 2.03 GB | Unsigned | Details → |
| iPad mini 3 (Cellular) | iPad4,8 | 12B410 | 2.11 GB | Unsigned | Details → |
| iPad mini 3 (China) | iPad4,9 | 12B410 | 2.11 GB | Unsigned | Details → |
| iPad mini 3 (WiFi) | iPad4,7 | 12B410 | 2.04 GB | Unsigned | Details → |
| iPad Air (China) | iPad4,3 | 12B410 | 2.08 GB | Unsigned | Details → |
| iPad mini 2 (China) | iPad4,6 | 12B410 | 2.08 GB | Unsigned | Details → |
| iPad Air (Cellular) | iPad4,2 | 12B410 | 2.08 GB | Unsigned | Details → |
| iPad Air (WiFi) | iPad4,1 | 12B410 | 2.03 GB | Unsigned | Details → |
| iPad mini 2 (Cellular) | iPad4,5 | 12B410 | 2.08 GB | Unsigned | Details → |
| iPad mini 2 (WiFi) | iPad4,4 | 12B410 | 2.03 GB | Unsigned | Details → |
| iPad 2 (CDMA) | iPad2,3 | 12B410 | 1.49 GB | Unsigned | Details → |
| iPad 2 (GSM) | iPad2,2 | 12B410 | 1.49 GB | Unsigned | Details → |
| iPad 2 (Mid 2012) | iPad2,4 | 12B410 | 1.47 GB | Unsigned | Details → |
| iPad 2 (WiFi) | iPad2,1 | 12B410 | 1.48 GB | Unsigned | Details → |
| iPad 3 (CDMA) | iPad3,2 | 12B410 | 1.83 GB | Unsigned | Details → |
| iPad 3 (GSM) | iPad3,3 | 12B410 | 1.83 GB | Unsigned | Details → |
| iPad 3 (WiFi) | iPad3,1 | 12B410 | 1.79 GB | Unsigned | Details → |
| iPad 4 (Global) | iPad3,6 | 12B410 | 1.85 GB | Unsigned | Details → |
| iPad 4 (GSM) | iPad3,5 | 12B410 | 1.85 GB | Unsigned | Details → |
| iPad 4 (WiFi) | iPad3,4 | 12B410 | 1.81 GB | Unsigned | Details → |
| iPad mini (Global) | iPad2,7 | 12B410 | 1.62 GB | Unsigned | Details → |
| iPad mini (GSM) | iPad2,6 | 12B410 | 1.62 GB | Unsigned | Details → |
| iPad mini (WiFi) | iPad2,5 | 12B410 | 1.58 GB | Unsigned | Details → |
Apple TV (2)
2 devices support this version
| Device | Identifier | Build | Size | Signing | Action |
|---|---|---|---|---|---|
| Apple TV 3 | AppleTV3,1 | 12B410a | 937 MB | Unsigned | Details → |
| Apple TV 3 (2013) | AppleTV3,2 | 12B410a | 937 MB | Unsigned | Details → |
iPod touch (1)
1 devices support this version
| Device | Identifier | Build | Size | Signing | Action |
|---|---|---|---|---|---|
| iPod touch 5 | iPod5,1 | 12B411 | 1.64 GB | Unsigned | Details → |