iOS 9.3.3 (13G21) for iPhone 4s ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date June 6, 2016 Upload Date June 2, 2016 Filename 355d3530f339282ad055bc33051063cf301a80d3.zip Filesize 1.1 GiB Identifier iPhone4,1
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