About This Firmware
iOS 9.0.1
(build 13A404) is an official Apple IPSW
for the iPhone 4s,
released on 2015-09-23.
The download is 1.47 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
iPhone4,1_9.0.1_13A404_Restore.ipsw
Checksums
SHA-256
7221d1704ca22041eaac95e282f5252bbde80d64e6508199545fb092de30bacc
SHA-1
117c44cb1e6a737a4b0537864eb409e3d761a43f
MD5
ea985965ec30cbaa5a2a1538a8da6468
Direct URL
https://secure-appldnld.apple.com/ios9.0.1/031-35120-20150923-DC2E0F5A-5EFF-11E5-9EC2-995F51D92A8C/iPhone4,1_9.0.1_13A404_Restore.ipsw
Other Devices
iPhone 12 mini
iPhone13,1
iPhone 12
iPhone13,2
iPhone 16e
iPhone17,5
iPhone 8 (GSM)
iPhone10,4
iPhone XS Max
iPhone11,6
iPhone SE
iPhone8,4
How to Restore with This IPSW
iTunes / Finder
macOS & Windows- Download the .ipsw file to your computer.
- Connect your iPhone 4s 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 4s 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