iOS 9.9.13.1 (17A5831c) for iPhone 7 Plus (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 0e233a27f28b00725c4c24d280dba896a7fe6ccd.zip Filesize 2.9 GiB Identifier iPhone9,4
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