iOS 9.9.15.0 (19A6346) for iPhone 6s+ ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date September 20, 2021 Upload Date September 17, 2021 Filename 1d4f24767d690d1ed3c19111742b20225b25d903.zip Filesize 4.1 GiB Identifier iPhone8,2
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