iOS 9.9.17.1 (21B6074) 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 October 25, 2023 Upload Date October 15, 2023 Filename f0014a50fa801bd7cec94d77f28f2d8fcd646bfb.zip Filesize 5.8 GiB Identifier iPhone13,4
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