iOS 9.9.15.0.2 (19A6404) 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 11, 2021 Upload Date October 8, 2021 Filename 4a3d16570d36b4447c28a78a71c884fdba65b4b5.zip Filesize 4.9 GiB Identifier iPhone13,4
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