iOS 9.9.11.3 (15E5211a) 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 12, 2018 Upload Date March 9, 2018 Filename 16cee73e4d246deb10ca61e4a056b89f647f33a5.zip Filesize 1.8 GiB Identifier iPhone6,1
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