iOS 9.3.3 (13G21) for iPhone 5s (GSM) ✗ 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 d4ce53d04650391916828f3c5386cca94e215324.zip Filesize 1.4 GiB Identifier iPhone6,1
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