iOS 9.9.13.1 (17A5837a) 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 10, 2019 Upload Date September 7, 2019 Filename 2c308bca33418664edc1c02ec6b1c3778f4606a5.zip Filesize 2.8 GiB Identifier iPhone10,4
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