iOS 9.9.13.1.3 (17A878) for iPhone 11 Pro Max ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date October 15, 2019 Upload Date October 10, 2019 Filename 313544c49497b5c97e5f6f2a53f4015c479e4c08.zip Filesize 3.4 GiB Identifier iPhone12,5
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