Sign In
Home / Devices / iPhone 13 Pro Max / 21H16

About This Firmware

iOS 17.7 (build 21H16) is an official Apple IPSW for the iPhone 13 Pro Max, released on 2024-09-16. The download is 7.47 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

iPhone14,3_17.7_21H16_Restore.ipsw

Checksums

SHA-256 9c6c3a56d89796e9d98b996babc475066193dd5b9982ef0e10763de1509d95dd
SHA-1 73140792b6cf7bfee8bcba10ea8139864c67ee2c
MD5 f27b4d5745f9e5ebef1bd0bf45a004b6

Direct URL

https://updates.cdn-apple.com/2024FallFCS/fullrestores/062-78845/4FCA59A2-2597-4B14-8C88-4F7D612E40B9/iPhone14,3_17.7_21H16_Restore.ipsw
Download IPSW

Other Devices

iPhone 5c (Global)
iPhone 5c (Global)
iPhone5,4
 iPhone 7 Plus (Global)
iPhone 7 Plus (Global)
iPhone9,2
 iPhone 16 Pro Max
iPhone 16 Pro Max
iPhone17,2
 iPhone 13 mini
iPhone 13 mini
iPhone14,4
 iPhone 14 Plus
iPhone 14 Plus
iPhone14,8
 iPhone 8 Plus (Global)
iPhone 8 Plus (Global)
iPhone10,2

How to Restore with This IPSW

iTunes / Finder

macOS & Windows
  1. Download the .ipsw file to your computer.
  2. Connect your iPhone 13 Pro Max via USB.
  3. Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina+) and select your device.
  4. Update (keep data): hold Option (Mac) or Shift (Windows) and click Update, then pick the .ipsw file.
  5. Restore (erase & install): hold Option / Shift and click Restore iPhone…, then pick the .ipsw file.
  6. Wait for the process to finish - do not disconnect.
Restoring will erase all data on the device. Back up first.

3uTools

Windows
  1. Download and install 3uTools from 3u.com.
  2. Connect your iPhone 13 Pro Max via USB and trust the computer on the device.
  3. Go to Flash & JB > Easy Flash.
  4. Click Import and select the downloaded .ipsw file.
  5. Choose Flash mode: Update keeps data, Restore wipes the device.
  6. 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

  1. Quickly press & release Volume Up
  2. Quickly press & release Volume Down
  3. Hold Side button until screen goes black
  4. Hold Side + Volume Down for 5 s
  5. Release Side, hold Volume Down 5 more s
  6. Black screen = DFU active

iPhone 7 / 7 Plus

  1. Hold Sleep/Wake + Volume Down for 8 s
  2. Release Sleep/Wake, keep holding Volume Down for 5 s
  3. Black screen = DFU active

iPhone 6s and earlier

  1. Hold Sleep/Wake + Home for 8 s
  2. Release Sleep/Wake, keep holding Home for 5 s
  3. Black screen = DFU active
© 2026 iOSBuddy. Firmware data provided by ipswdl.com API. Not affiliated with Apple Inc.