iPhone 14 Pro Max

iPhone15,3

IPSW Unsigned

iOS 17.6

21G80

OS: iOS
Version: 17.6
Build: 21G80
File Size: 7.53 GB
Released: 2024-07-29

Beta firmware →

iPhone 14 Pro Max specs →

About This Firmware

iOS 17.6 (build 21G80) is an official Apple IPSW for the iPhone 14 Pro Max, released on 2024-07-29. The download is 7.53 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

iPhone15,3_17.6_21G80_Restore.ipsw

Checksums

SHA-256 d8637344ea1b08245835fb935c9e77fb08fd1d8eb8b8d768b6aa4df92778823b

SHA-1 82487def4e1fde669628e0a983871c6d1961048e

MD5 4a35258146cf0fde88687d43eb91ce2f

Direct URL

https://updates.cdn-apple.com/2024SummerFCS/fullrestores/062-44958/7D4F80A6-1518-4811-B34F-319D60B48241/iPhone15,3_17.6_21G80_Restore.ipsw

Download IPSW

Other Devices

iPhone 13 Pro Max

iPhone14,3

iPhone SE (3rd generation)

How to Restore with This IPSW

iTunes / Finder

macOS & Windows

Download the .ipsw file to your computer.
Connect your iPhone 14 Pro Max 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 14 Pro Max 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 tip

If 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