iOS 9.9.13.1.2 (17A860) for iPhone XS Max (China) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date September 30, 2019 Upload Date September 28, 2019 Filename 4a337f640515b41ad6ac2036835e49bee57c855e.zip Filesize 3.3 GiB Identifier iPhone11,4
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