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HomePod mini HomePod mini AudioAccessory5,1
IPSW Unsigned 21J354

audioOS 17.0

OS
audioOS
Version
17.0
Build ID
21J354
File Size
3.10 GB
Release Date
2023-09-18
Last Updated
2023-09-07

About This Firmware

audioOS 17.0 (build 21J354) is an official Apple IPSW for the HomePod mini, released on 2023-09-18. 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

AudioAccessory5,1_17.0_21J354_Restore.ipsw

Checksums

SHA-256 3e3df07009a792003e0de8f7f61d192318059e2d32a29113481a0c21a0436b7d
SHA-1 1d24741f596df986b628202055d9f9901f36edfd
MD5 5f383fd25d82f4f200b3fbd51052e8c6

Direct URL

https://updates.cdn-apple.com/2023FallFCS/fullrestores/002-77931/5B34E80D-B1C3-40B4-92F2-9C25339D65EB/AudioAccessory5,1_17.0_21J354_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 HomePod mini 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 HomePod mini 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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