iOS 9.3 (13E5191d) 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 January 25, 2016 Upload Date January 22, 2016 Filename 8cf58aeee666359587ac29989a0785b033be0d04.zip Filesize 1.1 GiB Identifier iPhone4,1
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