Apple Watch Series 5 (40mm, LTE) firmware downloads
Model Watch5,3 · Board N146sAP · 10 versions
Signed now
Apple is signing these versions, so they install with a normal restore.
12 more signed files below.
- Download
watchOS 6.3.1Latest
Build 17U224 · Feb 2, 2026 · 1.44 GB
Restoring wipes all data. Back up your device first. How to restore
All firmware
10 versionsNewest first, every release Apple has published for this model.
watchOS 6
60 files| Version | Build | Released | Size | Status | Download |
|---|---|---|---|---|---|
watchOS 6.3.1Signed Update from watchOS 6.3 17U224 · Feb 2, 2026 · 166 MB | 17U224 | Feb 2, 2026 | 166 MB | Signed | Download |
watchOS 6.3.1Signed Update from watchOS 6.2.8 17U224 · Feb 2, 2026 · 188 MB | 17U224 | Feb 2, 2026 | 188 MB | Signed | Download |
watchOS 6.3.1Signed Update from watchOS 6.2.5 17U224 · Feb 2, 2026 · 261 MB | 17U224 | Feb 2, 2026 | 261 MB | Signed | Download |
watchOS 6.3.1Signed Update from watchOS 6.2.6 17U224 · Feb 2, 2026 · 261 MB | 17U224 | Feb 2, 2026 | 261 MB | Signed | Download |
watchOS 6.3.1LatestSigned 17U224 · Feb 2, 2026 · 1.44 GB | 17U224 | Feb 2, 2026 | 1.44 GB | Signed | Download |
watchOS 6.3.1Signed Update from watchOS 6.1 17U224 · Feb 2, 2026 · 556 MB | 17U224 | Feb 2, 2026 | 556 MB | Signed | Download |
watchOS 6.3.1Signed Update from watchOS 6.0 17U224 · Feb 2, 2026 · 675 MB | 17U224 | Feb 2, 2026 | 675 MB | Signed | Download |
watchOS 6.3.1Signed Update from watchOS 6.0.1 17U224 · Feb 2, 2026 · 675 MB | 17U224 | Feb 2, 2026 | 675 MB | Signed | Download |
watchOS 6.3.1Signed Update from watchOS 6.1.2 17U224 · Feb 2, 2026 · 543 MB | 17U224 | Feb 2, 2026 | 543 MB | Signed | Download |
watchOS 6.3.1Signed Update from watchOS 6.1.3 17U224 · Feb 2, 2026 · 543 MB | 17U224 | Feb 2, 2026 | 543 MB | Signed | Download |
watchOS 6.3.1Signed Update from watchOS 6.1.1 17U224 · Feb 2, 2026 · 546 MB | 17U224 | Feb 2, 2026 | 546 MB | Signed | Download |
watchOS 6.3.1Signed Update from watchOS 6.2 17U224 · Feb 2, 2026 · 319 MB | 17U224 | Feb 2, 2026 | 319 MB | Signed | Download |
watchOS 6.3.1Signed Update from watchOS 6.2.1 17U224 · Feb 2, 2026 · 319 MB | 17U224 | Feb 2, 2026 | 319 MB | Signed | Download |
watchOS 6.3Unsigned Update from watchOS 6.0.1 17U216 · Jan 26, 2021 · 581 MB | 17U216 | Jan 26, 2021 | 581 MB | Unsigned | Download |
watchOS 6.3Unsigned Update from watchOS 6.0 17U216 · Jan 26, 2021 · 581 MB | 17U216 | Jan 26, 2021 | 581 MB | Unsigned | Download |
watchOS 6.3Unsigned Update from watchOS 6.1.3 17U216 · Jan 26, 2021 · 446 MB | 17U216 | Jan 26, 2021 | 446 MB | Unsigned | Download |
watchOS 6.3Unsigned Update from watchOS 6.1.2 17U216 · Jan 26, 2021 · 446 MB | 17U216 | Jan 26, 2021 | 446 MB | Unsigned | Download |
watchOS 6.3Unsigned Update from watchOS 6.2.8 17U216 · Jan 26, 2021 · 76 MB | 17U216 | Jan 26, 2021 | 76 MB | Unsigned | Download |
watchOS 6.3Unsigned Update from watchOS 6.2.5 17U216 · Jan 26, 2021 · 133 MB | 17U216 | Jan 26, 2021 | 133 MB | Unsigned | Download |
watchOS 6.3Unsigned Update from watchOS 6.1 17U216 · Jan 26, 2021 · 459 MB | 17U216 | Jan 26, 2021 | 459 MB | Unsigned | Download |
watchOS 6.3Unsigned Update from watchOS 6.1.1 17U216 · Jan 26, 2021 · 448 MB | 17U216 | Jan 26, 2021 | 448 MB | Unsigned | Download |
watchOS 6.3Unsigned Update from watchOS 6.2.1 17U216 · Jan 26, 2021 · 189 MB | 17U216 | Jan 26, 2021 | 189 MB | Unsigned | Download |
watchOS 6.3Unsigned 17U216 · Jan 26, 2021 · 1.44 GB | 17U216 | Jan 26, 2021 | 1.44 GB | Unsigned | Download |
watchOS 6.3Unsigned Update from watchOS 6.2.6 17U216 · Jan 26, 2021 · 133 MB | 17U216 | Jan 26, 2021 | 133 MB | Unsigned | Download |
watchOS 6.3Unsigned Update from watchOS 6.2 17U216 · Jan 26, 2021 · 189 MB | 17U216 | Jan 26, 2021 | 189 MB | Unsigned | Download |