About This Firmware
iOS 26.4.1
(build 23E254) is an official Apple IPSW
for the iPhone 16 Plus,
released on 2026-04-08.
The file 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
iPhone17,4_26.4.1_23E254_Restore.ipsw
Checksums
SHA-256
0024fc290d58175571f379f98c365a2579709105d8f8871685681c5f6720c42e
SHA-1
57bef3355e0fc948faa12f00f8c0dfb6c4e6346e
MD5
8b47abe49383c82f630d03194c4211e3
Direct URL
https://updates.cdn-apple.com/2026SpringFCS/fullrestores/122-28494/0BB1EDAA-9965-49EA-AB1E-DA534A7CF372/iPhone17,4_26.4.1_23E254_Restore.ipsw
Other Devices
iPhone 12 Pro Max
iPhone13,4
iPhone 5s (Global)
iPhone6,2
iPhone 3G
iPhone1,2
iPhone 7 Plus (Global)
iPhone9,2
iPhone 17e
iPhone18,5
iPhone 16 Pro Max
iPhone17,2
How to Restore with This IPSW
iTunes / Finder
macOS & Windows- Download the .ipsw file to your computer.
- Connect your iPhone 16 Plus 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 Plus 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