iOS 9.9.13.1 (17A5837a) for iPhone XS Max ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date September 10, 2019 Upload Date September 7, 2019 Filename fcfa3519cb8df1f2e1342812b9b2e32a5f35e47b.zip Filesize 3.2 GiB Identifier iPhone11,6
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