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iPhone 13 Pro Max iPhone 13 Pro Max iPhone14,3
IPSW Unsigned 21A351

iOS 17.0.2

OS
iOS
Version
17.0.2
Build ID
21A351
File Size
7.33 GB
Release Date
2023-09-26
Last Updated
2023-09-22

About This Firmware

iOS 17.0.2 (build 21A351) is an official Apple IPSW for the iPhone 13 Pro Max, released on 2023-09-26. 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

iPhone14,3_17.0.2_21A351_Restore.ipsw

Checksums

SHA-256 c6398719169f7493cd150681cd2ae561118f42e1a0eac82865eb38d510639b88
SHA-1 b6ca76d1daec9a7e0e71669b59b425c68163ccb9
MD5 14518ba04fa51dc6fc8ee5253b89e34a

Direct URL

https://updates.cdn-apple.com/2023SummerFCS/fullrestores/042-64836/51F44974-44C9-4CFF-BE2D-D7B084A674C5/iPhone14,3_17.0.2_21A351_Restore.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 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 & JBEasy 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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