iOS 9.9.11.4 (15F5071a) 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 May 7, 2018 Upload Date May 3, 2018 Filename 63e1c72413aac563e940d80d218283e70350afbd.zip Filesize 1.8 GiB Identifier iPhone6,1
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