Download iOS 13.3.1 Build 17D50 IPSW Firmware Restore Files

Download the IPSW iOS 13.3.1 (Build 17D50) firmware file released at 28 January 2020 intended to restore iPhone 11 Pro Max via iTunes. IPSW iOS 13.3.1 build 17D50 is unsigned by Apple to update Apple device software.

Download iOS 13.3.1 17D50 IPSW Recovery Firmware file for iPhone 11 Pro Max

Upload Date	28 January 2020
Filesize	4.71 GB
Identifier	iPhone12,5

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