Apple iMac (Two Ports, 24-inch, 2023) macOS 15.1 firmware
Apple iMac (Two Ports, 24-inch, 2023)
Signed
macOS 15.1
Build 24B83 For Mac15,4, J433AP
Global · IPSW
A newer version is available for this region: macOS 27.0.1
Download
14.7 GB
Downloads from updates.cdn-apple.com.
File details
- OS
- macOS 15.1
- Region
- Global
- Type
- IPSW
- Install with
- How to restore a Mac with Apple silicon (IPSW)
- Released
- Size
- 14.7 GB
- File name
UniversalMac_15.1_24B83_Restore.ipsw- MD5
689ff965494f185b218d073dcbfb5861- SHA-1
eeddb24db9a655c287d2145ee852c9e39e15b44c- SHA-256
62aad6a3849eca5f368dc6768356f7d9a939f05463989d18c04d36990dec105a
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: Mac15,4, J433AP. 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
Macs with Apple silicon (M1 and newer) and Intel Macs with a T2 chip can be restored from an IPSW using a second Mac and Apple Configurator. This reinstalls the firmware and macOS and erases the Mac.
Read the guide: How to restore a Mac with Apple silicon (IPSW)