11.5.1 Firmware Download
11.5.1 firmware download — compatible with 3 devices, released 2021-07-26, build 20G80. Download links direct to Apple servers, with signing status verification and SHA-256/SHA-1/MD5 checksum validation. 3 devices can still verify this firmware version.
Mac (3)
3 devices support this version
| Device | Identifier | Build | Size | Signing | Action |
|---|---|---|---|---|---|
| Mac mini (M1, Late 2020) | Macmini9,1 | 20G80 | 13.01 GB | Signed | Details → |
| MacBook Air (M1, Late 2020) | MacBookAir10,1 | 20G80 | 13.01 GB | Signed | Details → |
| MacBook Pro (M1, Late 2020) | MacBookPro17,1 | 20G80 | 13.01 GB | Signed | Details → |