iOS 9.9.15.3 (19D6050) 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 January 26, 2022 Upload Date January 23, 2022 Filename 7fca0fb86907a5cfdbca5bf9fe3f745a00e38d4c.zip Filesize 4.8 GiB Identifier iPhone13,4
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