If you are a T-Mobile user with a Samsung Galaxy S III you may want to watch out for a new OTA update for you device. Either that, or you could head over to Kies and grab yours manually. There is a new update that brings the phone to build T99UVLH2. The official changelog details the following changes in this update,
Aside from these official fixes, we are hearing reports that this update also brings a brightness slider, a new modem, a new kernel, and sadly removes universal search (Apple's lawsuits reveal their results again).
- Resolved the error, ‘Enter MAC address' after entering the correct MAC address in the Mobile HotSpot configuration page if the MAC address entered did not contain the colons ( or spaces.
- Resolved issue where the contents of a Home screen folder would be rearranged alphabetically after a reboot.
- Resolved issue where the name does not populate when trying to add a contact with NameID information, you must manually add.
Source: S3Forums via AndroidPolice