Download macOS 15.1.1 (24B91) for MacBook Air (M1, Late 2020)

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

✅ This IPSW firmware is Signed

Firmware Identifier MacBookAir10,1
macOS Version 15.1.1
Release Date 2024-11-19
Update Date 2024-12-22
Sha1sum
b515c07a7322d27f9bc672ef40bc6e3d1b09bea3
Sha256sum
f94fb7f03c9fe52d573ff58db9e2c8481cec25fd1a29fe4932f60a6c8c1151e7
md5sum
bfc093317a8a9a5717123c5ffe18009c
Size 14.67 GB
FileName
UniversalMac_15.1.1_24B91_Restore.ipsw
Status

Download IPSW (14.67GB) Check device info

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Frequently Asked Questions

What is IPSWDL.COM?

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IPSWDL.COM is a website that provides download links for IPSW files, which are used to install or restore firmware on Apple devices. These files are sourced directly from Apple's servers.

What is an IPSW file?

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How can I use an IPSW file to restore my device?

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Where can I download IPSW files?

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What is the difference between IPSW and OTA updates?

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Can I downgrade my iOS version using an IPSW file?

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