iOS 9.9.14.8 (18H6017) 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 13, 2021 Upload Date September 10, 2021 Filename a9a10c435e7987620649fb704c805154f1e7256d.zip Filesize 4.3 GiB Identifier iPhone13,4
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