iOS 4.2.1 (8C148) for iPhone 4 (GSM)

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Firmware Information

Version 4.2.1

Build ID 8C148

Release Date Jan 1, 1970

Upload Date Nov 18, 2010

Filename iPhone3,1_4.2.1_8C148_Restore.ipsw

File Size 624.23 MB

MD5 93957e7bd21f0549b60a60485c13206a

SHA1 b8b485c111fc25515487dbada0f2e630b66ccdb1

Device Information

Device iPhone 4 (GSM)

Identifier iPhone3,1

BoardConfig n90ap

Platform s5l8930x

CPID 35120

BDID 0