- iFaith 1.5.6
- iReb r7
- iOS 5.1.1 / 6.1.2 firmware (optional)
- Saved SHSH blobs with TinyUmbrella (only for downgrade to iOS 6.1.2
- iPhone 3GS (but you can try it other supported iPhone)
- iTunes (need to be updated with the latest version).
How to Fix Soft DFU Mode
Use iFaith Signed IPSW for iOS 6.1.3 Downgrading to 5.1.1 on iPhone 3GS