Signed
macOS 27.2 (26B123) is signed
Apple's signing server is signing this firmware, so you can restore or update to it now. Checked with Apple .
Signed since release, Oct 26, 2026. Apple lists it until Feb 3, 2027.
Released October 26, 2026
Download IPSW 25.6 GB
From updates.cdn-apple.com (Apple). Signet never hosts files.
Restore images (IPSW) 1
| Version | Released | Status | Expires | Size | |
|---|---|---|---|---|---|
| macOS 27.2 26B123 | Oct 26, 2026 | Signed Signed by Apple Signed since release, Oct 26, 2026. Apple lists it until Feb 3, 2027. Apple doesn't publish signing end dates; Signet records them by checking on a schedule. | Apple's listed expiration Apple's update server (gdmf.apple.com) lists this build until February 3, 2027. Apple can stop signing it sooner, usually a week or two after the next release. | 25.6 GB |
Specifications
- Chip
- Apple M5 Max chip
- 18-core CPU with 6 super cores and 12 performance cores
- 32-core GPU
- Neural Accelerators
- 16-core Neural Engine
- Capacity
- 512GB SSD
- Configurable to: 1TB, 2TB, 4TB, or 8TB
- 1TB SSD
- 2TB, 4TB, 8TB, or 16TB
- Ports
- Four Thunderbolt 5 (USB-C) ports with support for: Thunderbolt 5 (up to 120Gb/s), USB 4 (up to 120Gb/s)
- On front (M5 Max): Two USB-C ports (up to 10Gb/s), SDXC card slot (UHS-II)
- On front (M5 Ultra): Two Thunderbolt 5 ports (up to 120Gb/s)
- Size & weight
- 95 × 197 × 197 mm, 2700–3600 g
- Colors
- Silver
Source: Apple Tech Specs