About This Firmware
iOS 27.0.1
(build 24A446) is an official Apple IPSW
for the iPhone 15,
released on 2026-09-28.
The download is 10.53 GB and is served directly from Apple's CDN.
This firmware is currently signed by Apple, so it can be used to restore or update your device via iTunes or Finder.
Verify the download using the checksums below.
Filename
iPhone15,4_27.0.1_24A446_Restore.ipsw
Checksums
SHA-256
05204dbe093eae72e64dd0fee1f5697d280fcba637b575a984e761210ef2762f
SHA-1
f99ec01d3c4199e920035ea597929a275291f69d
MD5
68cfd8331a4cab46cbd352e62dbf40d0
Direct URL
https://updates.cdn-apple.com/2026FallFCS/8797a573-d5d1-47eb-9231-d3af255806bf/iPhone15,4_27.0.1_24A446_Restore.ipsw
Other Devices
iPhone 7 Plus (GSM)
iPhone9,4
iPhone 14 Pro Max
iPhone15,3
iPhone 12 Pro Max
iPhone13,4
iPhone XS Max (China)
iPhone11,4
iPhone 18 Pro
iPhone19,2
iPhone 2G
iPhone1,1
How to Restore with This IPSW
iTunes / Finder
macOS & Windows- Download the .ipsw file to your computer.
- Connect your iPhone 15 via USB.
- Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina+) and select your device.
- Update (keep data): hold Option (Mac) or Shift (Windows) and click Update, then pick the .ipsw file.
- Restore (erase & install): hold Option / Shift and click Restore iPhone…, then pick the .ipsw file.
- Wait for the process to finish - do not disconnect.
Restoring will erase all data on the device. Back up first.
3uTools
Windows- Download and install 3uTools from 3u.com.
- Connect your iPhone 15 via USB and trust the computer on the device.
- Go to Flash & JB > Easy Flash.
- Click Import and select the downloaded .ipsw file.
- Choose Flash mode: Update keeps data, Restore wipes the device.
- Click Flash and wait for the progress bar to complete - do not disconnect.
Only flash firmware that matches your exact device model.
DFU Mode
Recovery tipIf your device is stuck in a boot loop or iTunes/Finder does not recognise it, enter DFU mode first, then select the .ipsw file as normal.
iPhone 8 / X and later
- Quickly press & release Volume Up
- Quickly press & release Volume Down
- Hold Side button until screen goes black
- Hold Side + Volume Down for 5 s
- Release Side, hold Volume Down 5 more s
- Black screen = DFU active
iPhone 7 / 7 Plus
- Hold Sleep/Wake + Volume Down for 8 s
- Release Sleep/Wake, keep holding Volume Down for 5 s
- Black screen = DFU active
iPhone 6s and earlier
- Hold Sleep/Wake + Home for 8 s
- Release Sleep/Wake, keep holding Home for 5 s
- Black screen = DFU active