Signed
watchOS 8.8.2 (19U526) 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, Jul 27, 2026. Apple lists it until Feb 3, 2027.
Released July 27, 2026
Download OTA 1.6 GB
From updates.cdn-apple.com (Apple). Signet never hosts files.
Restore images (IPSW) 3
| Version | Released | Status | Expires | Size | |
|---|---|---|---|---|---|
| watchOS 8.8.2 19U526 OTA | Jul 27, 2026 | Signed Signed by Apple Signed since release, Jul 27, 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. | 1.6 GB | |
| watchOS 6.3.1 17U224 OTA | - | Signed Signed by Apple Signed in every check since Oct 19, 2026. Apple doesn't publish signing end dates; Signet records them by checking on a schedule. | - | 1.5 GB | |
| watchOS 5.3.10 16U711 OTA | Jul 27, 2026 | Signed Signed by Apple Signed since release, Jul 27, 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. | 1.4 GB |
Over-the-air updates 2
The exact packages Apple's update server offers this device. Encrypted (.aea) packages list the key Apple publishes with them.
Specifications
- Chip
- S3 SiP with dual-core processor
- W2 Apple wireless chip
- Display
- 42mm 312 by 390 pixels
- 38mm 272 by 340 pixels
- Retina OLED display 1000 nits brightness
- Battery
- Built-in rechargeable lithium-ion battery Up to 18 hours
- Wireless
- Wi-Fi 802.11b/g/n 2.4GHz
- Bluetooth 4.2
- Water resistance
- Water resistant 50 meters
- Size & weight
- 33.3 × 11.4 mm
- 36.4 mm
- 34 × 11.8 mm
- 36.5 mm
Source: Apple Tech Specs