iOS 9.3 (13E5231a) 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 March 7, 2016 Upload Date March 4, 2016 Filename 3062fae6911f337db19a358867de9a9af15f4e29.zip Filesize 1.1 GiB Identifier iPhone4,1
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