iOS 9.3 (13E5233a) for iPhone 5s (GSM) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date March 14, 2016 Upload Date March 11, 2016 Filename 122dab031e491f504d66f9c3fbb33cbb201c24b1.zip Filesize 1.4 GiB Identifier iPhone6,1
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