iOS 9.9.13.1 (17A5844b) 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 September 19, 2019 Upload Date September 18, 2019 Filename 6b7f8c26e79a04a8b64cd3dd8756d94778fc243e.zip Filesize 3.2 GiB Identifier iPhone12,5
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