Apple Watch Series 4 (44mm, LTE)
On this page, you will get all IPSW firmware files for Apple Watch Series 4 (44mm, LTE) (Watch4,4), including the latest watchOS updates as well as previously released versions. This is full list of Apple Watch Series 4 (44mm, LTE) IPSW file signed and unsigned both versions from ipswguide is Free.
All IPSW firmware files listed here are official and released directly by Apple. You can use the signed versions to restore, update, remove a passcode, or repair your device using Finder or iTunes. Make sure, always prefer to download and install signed firmware versions. The unsigned versions cannot be installed through official methods.
Not sure which model? If you're using iOS 12 or later, go to Settings > General > About > Model Name. Or, use our Device Identifier Tool to find your exact model
0 Signed
0 Unsigned
75 OTA
75 total
| Version | Build ID | Released | Size | Status | Download |
|---|---|---|---|---|---|
| 📡 OTA (Over-the-Air) Updates | |||||
| 5.3.10 OTA | 16U711 | Mar 24, 2026 | 143 MB | OTA Signed | OTA |
| 6.3.1 OTA | 17U224 | Feb 2, 2026 | 334 MB | OTA Signed | OTA |
| 5.3.9 OTA | 16U693 | Nov 5, 2020 | 64 MB | OTA Signed | OTA |
| 6.3 OTA | 17U216 | Jan 26, 2021 | 140 MB | OTA | OTA |
| 5.3.8 OTA | 16U680 | Jul 15, 2020 | 57 MB | OTA | OTA |
| 5.3.7 OTA | 16U674 | May 18, 2020 | 62 MB | OTA | OTA |
| 5.3.6 OTA | 16U662 | Mar 24, 2020 | 63 MB | OTA | OTA |
| 5.3.5 OTA | 16U652 | Feb 18, 2020 | 1.44 GB | OTA | OTA |
| 5.3.4 OTA | 16U627 | Dec 10, 2019 | 1.44 GB | OTA | OTA |
| 6.1.1 OTA | 17S5433b | Nov 5, 2019 | 407 MB | OTA | OTA |
| 5.3.3 OTA | 16U620 | Oct 29, 2019 | 1.44 GB | OTA | OTA |
| 6.1 OTA | 17S5083a | Oct 23, 2019 | 783 MB | OTA | OTA |
| 6.1 OTA | 17S5076a | Oct 16, 2019 | 783 MB | OTA | OTA |
| 6.1 OTA | 17S5068e | Oct 10, 2019 | 384 MB | OTA | OTA |
| 5.3.2 OTA | 16U611 | Oct 9, 2019 | 1.44 GB | OTA | OTA |
| 6.1 OTA | 17S5059e | Oct 2, 2019 | 746 MB | OTA | OTA |
| 6.0.1 OTA | 17R6605 | Sep 30, 2019 | 312 MB | OTA | OTA |
| 6.0.1 OTA | 17R605 | Sep 30, 2019 | 1.48 GB | OTA | OTA |
| 6.1 OTA | 17S5054e | Sep 23, 2019 | 267 MB | OTA | OTA |
| 6.0 OTA | 17R6575 | Sep 11, 2019 | 1.48 GB | OTA | OTA |
| 6.0 OTA | 17R575 | Sep 11, 2019 | 1.48 GB | OTA | OTA |
| 6.0 OTA | 17R5575a | Aug 27, 2019 | 745 MB | OTA | OTA |
| 5.3.1 OTA | 16U6600 | Aug 26, 2019 | 168 MB | OTA | OTA |
| 5.3.1 OTA | 16U600 | Aug 26, 2019 | 1.44 GB | OTA | OTA |
| 6.0 OTA | 17R5571a | Aug 21, 2019 | 746 MB | OTA | OTA |
| 6.0 OTA | 17R5566a | Aug 15, 2019 | 398 MB | OTA | OTA |
| 6.0 OTA | 17R5556d | Aug 7, 2019 | 744 MB | OTA | OTA |
| 6.0 OTA | 17R5546f | Jul 30, 2019 | 736 MB | OTA | OTA |
| 5.3 OTA | 16U6569 | Jul 22, 2019 | 154 MB | OTA | OTA |
| 5.3 OTA | 16U569 | Jul 22, 2019 | 519 MB | OTA | OTA |
| 6.0 OTA | 17R5532f | Jul 17, 2019 | 841 MB | OTA | OTA |
| 5.3 OTA | 16U5569a | Jul 16, 2019 | 196 MB | OTA | OTA |
| 5.3 OTA | 16U5566a | Jul 9, 2019 | 87 MB | OTA | OTA |
| 6.0 OTA | 17R5521e | Jul 2, 2019 | 722 MB | OTA | OTA |
| 5.3 OTA | 16U5558b | Jun 24, 2019 | 1.44 GB | OTA | OTA |
| 6.0 OTA | 17R5507l | Jun 17, 2019 | 712 MB | OTA | OTA |
| 5.3 OTA | 16U5545c | Jun 11, 2019 | 104 MB | OTA | OTA |
| 6.0 OTA | 17R5491t | Jun 3, 2019 | 728 MB | OTA | OTA |
| 5.3 OTA | 16U5537b | May 28, 2019 | 96 MB | OTA | OTA |
| 5.3 OTA | 16U5526f | May 15, 2019 | 128 MB | OTA | OTA |
| 5.2.1 OTA | 16U6113 | May 13, 2019 | 82 MB | OTA | OTA |
| 5.2.1 OTA | 16U113 | May 13, 2019 | 1.43 GB | OTA | OTA |
| 5.2.1 OTA | 16U5113a | May 7, 2019 | 148 MB | OTA | OTA |
| 5.2.1 OTA | 16U5110a | Apr 29, 2019 | 1.43 GB | OTA | OTA |
| 5.2.1 OTA | 16U5101c | Apr 22, 2019 | 1.43 GB | OTA | OTA |
| 5.2.1 OTA | 16U5091b | Apr 8, 2019 | 144 MB | OTA | OTA |
| 5.2.1 OTA | 16U5079d | Mar 28, 2019 | 1.43 GB | OTA | OTA |
| 5.2 OTA | 16T6225 | Mar 27, 2019 | 1.43 GB | OTA | OTA |
| 5.2 OTA | 16T225 | Mar 27, 2019 | 1.43 GB | OTA | OTA |
| 5.2 OTA | 16T5225a | Mar 18, 2019 | 1.43 GB | OTA | OTA |
| 5.2 OTA | 16T5222a | Mar 11, 2019 | 1.43 GB | OTA | OTA |
| 5.2 OTA | 16T5212e | Mar 4, 2019 | 1.43 GB | OTA | OTA |
| 5.2 OTA | 16T5201c | Feb 19, 2019 | 1.43 GB | OTA | OTA |
| 5.2 OTA | 16T5191d | Feb 4, 2019 | 1.42 GB | OTA | OTA |
| 5.2 OTA | 16T5181f | Jan 24, 2019 | 1.42 GB | OTA | OTA |
| 5.1.3 OTA | 16S6535 | Jan 22, 2019 | 104 MB | OTA | OTA |
| 5.1.3 OTA | 16S535 | Jan 22, 2019 | 1.47 GB | OTA | OTA |
| 5.1.3 OTA | 16S5535a | Jan 7, 2019 | 1.47 GB | OTA | OTA |
| 5.1.3 OTA | 16S5531a | Dec 19, 2018 | 82 MB | OTA | OTA |
| 5.1.3 OTA | 16S5523a | Dec 10, 2018 | 224 MB | OTA | OTA |
| 5.1.2 OTA | 16S6046 | Dec 6, 2018 | 87 MB | OTA | OTA |
| 5.1.2 OTA | 16S46 | Dec 6, 2018 | 1.47 GB | OTA | OTA |
| 5.1.2 OTA | 16S5046a | Nov 15, 2018 | 1.46 GB | OTA | OTA |
| 5.1.2 OTA | 16S5042a | Nov 7, 2018 | 1.46 GB | OTA | OTA |
| 5.1.1 OTA | 16R6600 | Nov 5, 2018 | 133 MB | OTA | OTA |
| 5.1.1 OTA | 16R600 | Nov 5, 2018 | 1.46 GB | OTA | OTA |
| 5.1 OTA | 16R6591 | Oct 30, 2018 | 83 MB | OTA | OTA |
| 5.1 OTA | 16R591 | Oct 30, 2018 | 1.46 GB | OTA | OTA |
| 5.1 OTA | 16R5589c | Oct 22, 2018 | 1.46 GB | OTA | OTA |
| 5.1 OTA | 16R5584a | Oct 15, 2018 | 187 MB | OTA | OTA |
| 5.1 OTA | 16R5577c | Oct 9, 2018 | 169 MB | OTA | OTA |
| 5.1 OTA | 16R5568d | Oct 2, 2018 | 191 MB | OTA | OTA |
| 5.0.1 OTA | 16R382 | Sep 27, 2018 | 56 MB | OTA | OTA |
| 5.1 OTA | 16R5559d | Sep 18, 2018 | 1.46 GB | OTA | OTA |
| 5.0 OTA | 16R364 | Sep 12, 2018 | 1.47 GB | OTA | OTA |
📖 How to Restore
Mac (Finder, macOS Catalina+):
- Connect your device.
- Open Finder.
- Select your device in the sidebar.
- Hold
Option ⌥and click Restore iPhone… - Select your downloaded IPSW file.
Windows (iTunes):
- Open iTunes and connect your device.
- Hold
Shiftand click Restore iPhone… - Select the IPSW file.
⚠️ Restoring will erase all data on the device. Always back up first.