iOS 9.9.15.8 (19H6370) for iPhone 7 Plus (GSM) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date October 25, 2023 Upload Date October 16, 2023 Filename a0991dc0b92d0e00c3e4e73e2a0551e55d1fc22f.zip Filesize 4.1 GiB Identifier iPhone9,4
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