iPhone 4 (GSM)
iPhone3,1
About This Firmware
iOS 6.1
(build 10B144) is an official Apple IPSW
for the iPhone 4 (GSM).
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 SHA-256 or SHA-1 checksum listed in the Checksums section below.
Filename
iPhone3,1_6.1_10B144_Restore.ipsw
Checksums
SHA-256
d83f8dac345525aaf84d6a384d1d41b0de0034fc0a4c5a8e3af6f91353c593d9
SHA-1
2dcaae314ae8e0a353ad43010159cf15f7f6bd4e
MD5
f5f6588902174948c3e9d4f9b3a89e5d
Direct URL
https://secure-appldnld.apple.com/iOS6.1/091-0682.20130128.mefc4/iPhone3,1_6.1_10B144_Restore.ipsw
Other Devices
iPhone 5s (GSM)
iPhone6,1
iPhone 14 Pro Max
iPhone15,3
iPhone 8 Plus (GSM)
iPhone10,5
iPhone 14 Plus
iPhone14,8
iPhone 3G
iPhone1,2
iPhone 11 Pro Max
iPhone12,5
How to Restore with This IPSW
iTunes / Finder
macOS & Windows- Download the .ipsw file to your computer.
- Connect your iPhone 4 (GSM) 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 4 (GSM) 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