Download iOS 15.1 Build 19B74 IPSW Firmware Restore Files

Download the IPSW iOS 15.1 (Build 19B74) firmware file released at 25 October 2021 intended to restore iPhone 12 Pro Max via iTunes. IPSW iOS 15.1 build 19B74 is unsigned by Apple to update Apple device software.

iPhone 2G

Download iOS 15.1 19B74 IPSW Recovery Firmware file for iPhone 12 Pro Max

Upload Date 25 October 2021
Filesize 6.17 GB
Identifier iPhone13,4

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