iOS 4.2.1 Information

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Device Version/BuildID Release Date Download Size Apple Signing Status Hashes
Apple TV 2G
iOS 4.2.1
12/13/2010 AppleTV2,1_4.2.1_8C154_Restore.ipsw 280 MB MD5: 3fe1a01b8f5c8425a074ffd6deea7c86
SHA1: c2b1adea595afa2b9caf633f0a820d3b66424dbf
iPhone 3G[S]
iOS 4.2.1
11/21/2010 iPhone2,1_4.2.1_8C148a_Restore.ipsw 421 MB MD5: d688d2d48c8b054367adef8e7ab4f5ea
SHA1: 2787bb9fbf18594279d05682e6fd16d2b9612a2a
iPod touch 4
iOS 4.2.1
11/18/2010 iPod4,1_4.2.1_8C148_Restore.ipsw 638 MB MD5: 14d1508954532e91172f8704fd941a93
SHA1: 6a890696126d0cb7f9ccd6b913ecb09cf2029820
iPad 1
iOS 4.2.1
11/18/2010 iPad1,1_4.2.1_8C148_Restore.ipsw 578 MB MD5: 9402d5f05348fd68c87f885ff4cb4717
SHA1: 8717b3bedc925b587566442ad375aa65d857e79a
iPod touch 2G
iOS 4.2.1
11/18/2010 iPod2,1_4.2.1_8C148_Restore.ipsw 364 MB MD5: 0045e3543647e23470b84c2c1de96ab1
SHA1: b9efddc7bb4350c237a8d3846af61bbfc8a2f647
iPhone 3G
iOS 4.2.1
11/18/2010 iPhone1,2_4.2.1_8C148_Restore.ipsw 339 MB MD5: 8b1657935408a1638b69740b282f62b3
SHA1: d2ed58586e8ca2153f2e2ec585bba8afc5173378
iPhone 4 (GSM)
iOS 4.2.1
11/18/2010 iPhone3,1_4.2.1_8C148_Restore.ipsw 655 MB MD5: 93957e7bd21f0549b60a60485c13206a
SHA1: b8b485c111fc25515487dbada0f2e630b66ccdb1
iPod touch 3
iOS 4.2.1
11/18/2010 iPod3,1_4.2.1_8C148_Restore.ipsw 408 MB MD5: 25dbf5b3e5ca39edd0aab8fcab888503
SHA1: 1127a042c535f7cf0be950ff8946862d5fb05b36