Apple have released an update to the iOS 8.1 firmware for all iOS 8 capable devices. The latest iOS 8.1.1 firmware according to Apple fixes bugs and makes older devices more snappier during use.
This of course is a great thing, however, for those willing to keep their jailbreak, there is a drawback when this update is applied as pointed out by seasoned hacker +MuscleNerd
+MuscleNerd earlier today made a tweet warning jailbreakers to stay away from the new iOS 8.1.1 update if they intend to have a jailbroken Apple Device. From the tweet below, the message is clear and concise.
If you are on iOS 8.1 and haven't upgraded to iOS 8.1.1, you can jailbreak your device using the Pangu jailbreak tool in shown in one of our http://stephaniefulke.blogspot.com /2014/11/how-to-jailbreak-your-apple-device-on.html">"How To" guides here.
Therefore, if you still to hold on to your jailbroken iPhone, you are advised to stay away from iOS 8.1.1 update. However, if you don't care for a jailbroken iPhone you can go ahead to upgrade your iPhone to the latest iOS 8.1.1 update.
It is usually advised that you upgrade via iTunes instead of OTA updates - something we've too often.