HTC One users, who are with Verizon and the Sprint models have already received latest Android 4.4 KitKat update a few days ago. HTC One users who are on T-Mobile US were waiting for kitkat update for their device. Finally their wait comes to an end. HTC is now rolling out Android 4.4 KitKat update for their HTC One users who are on T-Mobile US. So you can go to to settings > about from your smartphone and check for update. There are a very sew on screen instructions that you need to follow and it will be updated.
The newest firmware also has Sense 5.5 user interface which is same as update for Verizon and Sprint. With the help of Sense 5.5 user interface, you can customize Blinkfeed homescreen pane. Sense 5.5 user interface is one of the highlight features of update. Other than sense UI, there are many tweaks and improvements which helps to boost overall performance of your device.
HTC’s executive director of product management said that update will be also available for AT&T HTC One consumers soon. So all T-Mobile HTC One users are requested to do update and comment with your experience with kitkat update. We wish that update will be available for rest of the users soon.