iOS 9.9.13.1 (17A5831c) for iPhone 8 (GSM) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date September 4, 2019 Upload Date September 2, 2019 Filename afe63abdb1222b69528c11da9dccd9be4e0afd2a.zip Filesize 2.7 GiB Identifier iPhone10,4
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