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About This Firmware

iOS 17.0.1 (build 21A340) is an official Apple IPSW for the iPhone 14 Pro Max, released on 2023-09-21. The download is 7.41 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_17.0.1_21A340_Restore.ipsw

Checksums

SHA-256 b80fe8bd9c8b86e6090352c0b532f95949f234ee9a56b7458da7b6cb4c63bca6
SHA-1 d1bf1fe7238a735cb876c8d62c04a72879bc1da4
MD5 f6b5d0caa1bd4d6185675cc9e7e8ad17

Direct URL

https://updates.cdn-apple.com/2023FallFCS/fullrestores/042-55397/A37157E8-F4F0-4F51-A385-D747D74BC7F2/iPhone15,3_17.0.1_21A340_Restore.ipsw
Download IPSW

Other Devices

How to Restore with This IPSW

iTunes / Finder

macOS & Windows
  1. Download the .ipsw file to your computer.
  2. Connect your iPhone 14 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 14 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
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