iOS 9.3 (13E6233) for iPhone 4s ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date March 21, 2016 Upload Date March 16, 2016 Filename 4c850f47e8781d3ca5c4b9896ee68302329c9a7c.zip Filesize 1.1 GiB Identifier iPhone4,1
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