iOS 9.9.17.0 (21A6329) 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 18, 2023 Upload Date September 9, 2023 Filename 507f079318927948883bba7ad1a31e71253dbb34.zip Filesize 5.8 GiB Identifier iPhone13,4
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