About This Firmware
iOS 26.3
(build 23D127) is an official Apple IPSW
for the iPhone 11,
released on 2026-02-11.
The download is 8.88 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
iPhone12,1_26.3_23D127_Restore.ipsw
Checksums
SHA-256
ed6853464113087a613fc1a59b4f8f266fa74cced69b2adc852fbb864d5a52cd
SHA-1
35f7f054b38166f6b1615d046fadb28607363f95
MD5
6b61ac359d859d3fcdb2aee9aaba3359
Direct URL
https://updates.cdn-apple.com/2026WinterFCS/fullrestores/047-61648/F489C6A8-0165-4DF7-9817-E63C8780D8A3/iPhone12,1_26.3_23D127_Restore.ipsw
Other Devices
iPhone 15
iPhone15,4
iPhone 5 (GSM)
iPhone5,1
iPhone 17e
iPhone18,5
iPhone 13 Pro Max
iPhone14,3
iPhone 8 Plus (Global)
iPhone10,2
iPhone 14 Pro Max
iPhone15,3
How to Restore with This IPSW
iTunes / Finder
macOS & Windows- Download the .ipsw file to your computer.
- Connect your iPhone 11 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 11 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