Just a quick heads-up: Apple has released iOS 6.1.1 for iPhone 4S only. The new updated was pushed to fix a bug that was affecting 3G performance for a lot of customers on various carriers. The new update can be downloaded OTA or via ipswDownloader.
Apple Releases iOS 6.1.1 For iPhone 4S. Evasi0n Updated To v1.3 With Support For iOS 6.1.1
Apple has released iOS 6.1.1 for iPhone 4S only. Evad3rs has updated evasi0n jailbreaking tool to fully support iOS 6.1.1