Please note: OTA firmwares cannot be restored to. IPSW Downloads collects them for potential future use. They might also be useful if you're doing research.
| ✓ | iOS 6.1.6 (10B500) | 21st February 2014 | 794 MB | 903b149c839c0650fd072d47c52599a52cbdd292.zip |
| ✓ | iOS 6.1.6 (10B500) | 4th October 2015 | 794 MB | 903b149c839c0650fd072d47c52599a52cbdd292.zip |
| ✗ | iOS 6.1.3 (10B329) | 10th March 2013 | 794 MB | 0525e5023736ea38fd648c440b3d3f8093b6006b.zip |