Mac Studio (M5 Ultra) Firmwares
| Version | Build | Release date | Size | Signed | Jailbreak | Details |
|---|---|---|---|---|---|---|
| macOS 27.0 Latest | 26A428 | Sep 14, 2026 | 24.80 GB | Signed | None | Details |
Only versions Apple is currently signing can actually be installed. Download links point directly to Apple's servers.