iOS 9.9.13.3.1 (17D5050a) 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 January 22, 2020 Upload Date January 19, 2020 Filename 523828da380bf04568114aade81efd4f95bed50c.zip Filesize 2.8 GiB Identifier iPhone8,2
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