Is there a jailbreak for iPhone 4s running IOS 6.1.3, or anyway to downgrade?

Is there a jailbreak for iPhone 4s running IOS 6.1.3, or anyway to downgrade?

You can jailbreak your Apple iPhone 4s, but make sure that you back up your files before doing anything with your device. A detailed step is given at http://www.helpmequickly.com/ios/how-to-jailbreak-iphone-4s-running-ios-6-1-3/766/