About This Firmware
iOS 18.4
(build 22E240) is an official Apple IPSW
for the iPhone 16 Pro,
released on 2025-03-31.
The download is 9.17 GB and is served directly from Apple's CDN.
This firmware is no longer signed by Apple. Standard downgrades are not possible, but the file remains available for reference and advanced use.
Verify the download using the checksums below.
Filename
iPhone17,1_18.4_22E240_Restore.ipsw
Checksums
SHA-256
cd14896efa9e78e5f054b42521ac5d90d4485388a599c05fce9076adfc0e0654
SHA-1
704dfe4010c600aef1b39a1d08b1244b4893187f
MD5
a886b07ed830b1c07751a8ab920ad4db
Direct URL
https://updates.cdn-apple.com/2025SpringFCS/fullrestores/082-14531/B393F94D-A15B-4411-AC3C-276402012455/iPhone17,1_18.4_22E240_Restore.ipsw
Other Devices
iPhone X (Global)
iPhone10,3
iPhone 11 Pro Max
iPhone12,5
iPhone 5s (GSM)
iPhone6,1
iPhone XS Max
iPhone11,6
iPhone 18 Pro Max
iPhone19,7
iPhone 13
iPhone14,5
How to Restore with This IPSW
iTunes / Finder
macOS & Windows- Download the .ipsw file to your computer.
- Connect your iPhone 16 Pro 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 16 Pro 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