iOS 9.9.11.4.1 (15G5074a) 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 June 25, 2018 Upload Date June 22, 2018 Filename d1c33e293a22e37ae8a0704bd43c57a7f4c2ac19.zip Filesize 1.8 GiB Identifier iPhone6,1
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