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iPhone XS iPhone XS iPhone11,2
IPSW Unsigned 21A351

iOS 17.0.2

OS
iOS
Version
17.0.2
Build ID
21A351
File Size
7.07 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 XS, 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

iPhone11,2,iPhone11,4,iPhone11,6_17.0.2_21A351_Restore.ipsw

Checksums

SHA-256 635b5105566ecd16524092236fc2e106faf124c669a2eadd467c706111cf6362
SHA-1 7514e5ab0465dba5a2ec7c7402b6e7daa2a8dd33
MD5 43a031734db2fd57f01558e4081db311

Direct URL

https://updates.cdn-apple.com/2023SummerFCS/fullrestores/042-65002/523ED3D8-DCB0-42F5-87AC-87385792E63A/iPhone11,2,iPhone11,4,iPhone11,6_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 XS 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 XS 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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