iOS 9.9.13.1 (17A5844a) 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 18, 2019 Upload Date September 16, 2019 Filename ea326786c338e8f1e93829616a923a2bdd228135.zip Filesize 3.2 GiB Identifier iPhone11,6
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