Apple HomePod mini audioOS 18.3 IPSW firmware
Apple HomePod mini
Not signed
audioOS 18.3
Build 22K557 For AudioAccessory5,1, B520AP
Global · IPSW
A newer version is available for this region: audioOS 27.2
Apple no longer signs this version, so a normal restore with Finder or iTunes will fail. Use a signed version unless you know you need this one.
Download
3.47 GB
Downloads from updates.cdn-apple.com.
File details
- Device
- Apple HomePod mini
- OS
- audioOS 18.3
- Region
- Global
- Type
- IPSW
- Released
- Size
- 3.47 GB
- File name
AudioAccessory5,1_18.3_22K557_Restore.ipsw- MD5
33067279b09f227a4be3a20ec17872b9- SHA-1
7ae63babc49f69875e45ef07b3e15731a151437a- SHA-256
f0828b8d4322ad9f9b67057de10578da3bbfcc8cce6af1ebdb0a5dcdd6948d87
After downloading, compare the checksum with the one above. If they differ, the file is incomplete — download it again.
Before you download
- Make sure your device’s model number is one of: AudioAccessory5,1, B520AP. You will find it in Settings → About phone, or on the box.
- This file is for the Global region. Installing another region’s firmware can remove features or block updates.
- Apple devices can only restore versions marked “Signed”.
- Back up your photos, contacts and files first, and charge the battery above 50%.
How to install
Use Finder on a Mac or the Apple Devices app / iTunes on Windows to install an IPSW file. Apple only accepts versions it is still signing, so check the “Signed” label before you download.
Read the guide: How to restore an iPhone, iPad or iPod with an IPSW file