iOS 9.9.13.0 (17A6577) 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 19, 2019 Upload Date August 27, 2019 Filename 3ec9ec8f8cec3d73fd0e3a67b7948538c155f33d.zip Filesize 3.3 GiB Identifier iPhone11,4
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