14.2.1 Firmware Download
14.2.1 firmware download — compatible with 36 devices, released 2023-12-19, build 18B121、23C71、18K75. Download links direct to Apple servers, with signing status verification and SHA-256/SHA-1/MD5 checksum validation. 30 devices can still verify this firmware version.
iPhone (4)
4 devices support this version
| Device | Identifier | Build | Size | Signing | Action |
|---|---|---|---|---|---|
| iPhone 12 | iPhone13,2 | 18B121 | 5.08 GB | Unsigned | Details → |
| iPhone 12 mini | iPhone13,1 | 18B121 | 5.05 GB | Unsigned | Details → |
| iPhone 12 Pro | iPhone13,3 | 18B121 | 5.08 GB | Unsigned | Details → |
| iPhone 12 Pro Max | iPhone13,4 | 18B121 | 5.13 GB | Unsigned | Details → |
Mac (31)
31 devices support this version
| Device | Identifier | Build | Size | Signing | Action |
|---|---|---|---|---|---|
| iMac (Four Ports, 24-inch, 2023) | Mac15,5 | 23C71 | 13.49 GB | Signed | Details → |
| iMac (Two Ports, 24-inch, 2023) | Mac15,4 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M3 Max, 14-inch, Nov 2023) | Mac15,10 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M3 Max, 14-inch, Nov 2023) | Mac15,8 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M3 Max, 16-inch, Nov 2023) | Mac15,9 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M3 Max, 16-inch, Nov 2023) | Mac15,11 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M3 Pro, 14-inch, Nov 2023) | Mac15,6 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M3 Pro, 16-inch, Nov 2023) | Mac15,7 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M3, 14-inch, Nov 2023) | Mac15,3 | 23C71 | 13.49 GB | Signed | Details → |
| Mac Pro (2023) | Mac14,8 | 23C71 | 13.49 GB | Signed | Details → |
| Mac Studio (M2 Max, 2023) | Mac14,13 | 23C71 | 13.49 GB | Signed | Details → |
| Mac Studio (M2 Ultra, 2023) | Mac14,14 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Air (15-inch, M2, 2023) | Mac14,15 | 23C71 | 13.49 GB | Signed | Details → |
| Mac mini (M2 Pro, 2023) | Mac14,12 | 23C71 | 13.49 GB | Signed | Details → |
| Mac mini (M2, 2023) | Mac14,3 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M2 Max, 14-inch, 2023) | Mac14,5 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M2 Max, 16-inch, 2023) | Mac14,6 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M2 Pro, 14-inch, 2023) | Mac14,9 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M2 Pro, 16-inch, 2023) | Mac14,10 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Air (M2, 2022) | Mac14,2 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (13-inch, M2, 2022) | Mac14,7 | 23C71 | 13.49 GB | Signed | Details → |
| Apple Virtual Machine 1 | VirtualMac2,1 | 23C71 | 13.49 GB | Unsigned | Details → |
| Mac Studio (M1 Max) | Mac13,1 | 23C71 | 13.49 GB | Signed | Details → |
| Mac Studio (M1 Ultra) | Mac13,2 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M1 Max, 14-inch, 2021) | MacBookPro18,4 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M1 Max, 16-inch, 2021) | MacBookPro18,2 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M1 Pro, 14-inch, 2021) | MacBookPro18,3 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M1 Pro, 16-inch, 2021) | MacBookPro18,1 | 23C71 | 13.49 GB | Signed | Details → |
| Mac mini (M1, Late 2020) | Macmini9,1 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Air (M1, Late 2020) | MacBookAir10,1 | 23C71 | 13.49 GB | Signed | Details → |
| MacBook Pro (M1, Late 2020) | MacBookPro17,1 | 23C71 | 13.49 GB | Signed | Details → |
HomePod (1)
1 devices support this version
| Device | Identifier | Build | Size | Signing | Action |
|---|---|---|---|---|---|
| HomePod mini | AudioAccessory5,1 | 18K75 | 2.10 GB | Unsigned | Details → |