Download MacOS 11.5.1 Build 20G80 IPSW Firmware Restore Files

Download the IPSW MacOS 11.5.1 (Build 20G80) firmware file released at 26 July 2021 intended to restore MacBook Air (M1, Late 2020) via iTunes. IPSW MacOS 11.5.1 build 20G80 is signed by Apple to update Apple device software.

iPhone 2G

Download MacOS 11.5.1 20G80 IPSW Recovery Firmware file for MacBook Air (M1, Late 2020)

Upload Date 26 July 2021
Filesize 13.01 GB
Identifier MacBookAir10,1

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