iOS 9.9.11.4 (15F5077a) 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 14, 2018 Upload Date May 11, 2018 Filename 040b4ec815da8e0caaa0488a79c7015d05664b0d.zip Filesize 1.8 GiB Identifier iPhone6,1
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