iOS 9.3 (13E5231a) 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 March 7, 2016 Upload Date March 4, 2016 Filename 5e89c78323a8467268995cf5e99a08096f341617.zip Filesize 1.4 GiB Identifier iPhone6,1
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