About This Firmware
iOS 8.4
(build 12H143) is an official Apple IPSW
for the iPhone 6,
released on 2015-06-30.
The download is 1.84 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
iPhone7,2_8.4_12H143_Restore.ipsw
Checksums
SHA-256
41135036d4416ef301fb244476ab173cfa3627a3450e9a4f7d555c91f839601a
SHA-1
1b07a406e8d3c1fc6cd45fc7ed8fb721dcac31dd
MD5
ce8cd9dde41652b9230cb467fc73855f
Direct URL
http://appldnld.apple.com/ios8.4/ipsw/031-25977-20150630-4DAB0942-1B91-11E5-B438-2865BE268FF7/iPhone7,2_8.4_12H143_Restore.ipsw
Other Devices
iPhone 16
iPhone17,3
iPhone 12 Pro
iPhone13,3
iPhone 15
iPhone15,4
iPhone 11 Pro
iPhone12,3
iPhone SE
iPhone8,4
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 6 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 6 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