iOS 9.9.13.1 (17A5821e) 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 August 27, 2019 Upload Date August 25, 2019 Filename c53532ab352e1977643ce5050d1096d696a4888c.zip Filesize 2.7 GiB Identifier iPhone10,4
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