iOS 9.9.15.4.1 (19E6258) 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 March 31, 2022 Upload Date March 28, 2022 Filename 0124d581dbc9b6c477adcdefa002d3cfec8c4200.zip Filesize 4.9 GiB Identifier iPhone13,4
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