Recently, Sony has seriously set about upgrading their mobile devices to newer versions of the operating system Android. Today it was reported that Sony Xperia T2 Ultra began to get an upgrade to Android 4.4.3 KitKat. Recall that in July this unit has received a major update to the version of the operating system Android 4.4.2 KitKat with lots of innovations from Sony. Unfortunately, this update only fixes some bugs and improves the stability of the device.
According to official information, the update to Android 4.4.3 KitKat in Sony Xperia T2 Ultra will be used to optimize memory usage, improved system performance and corrected some mistakes. To update all devices will take some time. Recommend that you check for new versions of the firmware through the settings of the machine.