Apple has just released iOS 6.1.1 for iPhone 4S devices to fix an issue that could impact cellurar performance and reliability for iPhone 4S. The update comes with a build number of 10B145 and is a 23 MB download.

About iOS 6.1.1 Software Update

This update fixes an issue that could impact cellular performance and reliability for iPhone 4S.

Good news for the jailbreakers, evad3rs has already updated evasi0n to v 1.3 to fully support the newly released iOS 6.1.1.