iOS 9.9.11.4 (15F6079) 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 29, 2018 Upload Date May 18, 2018 Filename f6a859665e0c96c27eb1879b48d2f35643b32505.zip Filesize 1.8 GiB Identifier iPhone6,1
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