iOS 9.9.15.0 (19A6346) for iPhone 12 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 20, 2021 Upload Date September 16, 2021 Filename 478ff26d4f442810163fd05c8d868d725017be67.zip Filesize 4.9 GiB Identifier iPhone13,4
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