Beta OTA Updates/iPhone/8.1

From The Apple Wiki

iPhone 4S

Users still on iOS 5.0 or 5.0.1 must update to 6.1.3 via OTA prior to installing OTA updates for iOS 8.0 or newer.

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
8.1 beta 2 12B407 8.1 beta 12B401 7 October 2014 597e2a6ef90391da5433b3dc98a1f78b2e545383.zip 29,119,346

iPhone 5

iPhone5,1

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
8.1 beta 2 12B407 8.1 beta 12B401 7 October 2014 8777536d2006dcd0e2087c08fcb4a5ec464cc5fd.zip 45,256,070

iPhone5,2

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
8.1 beta 2 12B407 8.1 beta 12B401 7 October 2014 94ad8eb1d14f1b70fbf04db2930fabd134a341ef.zip 45,451,260

iPhone 5c

iPhone5,3

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
8.1 beta 2 12B407 8.1 beta 12B401 7 October 2014 91d72b297323d587620c7c16af3f621f1b43e68e.zip 46,392,845

iPhone5,4

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
8.1 beta 2 12B407 8.1 beta 12B401 7 October 2014 b15cc1f9df3d631a91673977f206512c4b2955c5.zip 46,197,530

iPhone 5s

iPhone6,1

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
8.1 beta 2 12B407 8.1 beta 12B401 7 October 2014 d5fd13b14cfdff67f99ac1482373b519f196aa1c.zip 59,539,189

iPhone6,2

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
8.1 beta 2 12B407 8.1 beta 12B401 7 October 2014 a71aa1e6a130bbd2cbfe28aa6f9a75b51326eb4f.zip 58,666,557

iPhone 6

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
8.1 beta 2 12B407 8.1 beta 12B401 7 October 2014 a7c508262bae877ad483cfb2afd7ac9dc8311f1d.zip 65,574,976

iPhone 6 Plus

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
8.1 beta 2 12B407 8.1 beta 12B401 7 October 2014 e7661577a0057bf61f1e102f6994469feaeaf272.zip 66,544,973