Download iOS 4.2.1 Build 8C148 IPSW Firmware Restore Files

Download the IPSW iOS 4.2.1 (Build 8C148) firmware file released at 18 November 2010 intended to restore iPhone 4 (GSM) via iTunes. IPSW iOS 4.2.1 build 8C148 is unsigned by Apple to update Apple device software.

iPhone 2G

Download iOS 4.2.1 8C148 IPSW Recovery Firmware file for iPhone 4 (GSM)

Upload Date 18 November 2010
Filesize 624.23 MB
Identifier iPhone3,1

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