Sony Xperia TX has a 4.5″ display with a 1080x720p resolution. It is powered by a Qualcomm MSM8260A Snapdragon S4 Plus processor. The Xperia TX uses 1GB of RAM, with 16 GB of internal storage which can be expanded with a microSD card. At the time of its release it ran on Android Ice Cream Sandwich and it was upgradable to Jelly Bean.
Although Sony stopped official support long ago, XDA developers have continued to make ROMs for this phone. CM 13 ROM running on Android 6.0.1 can now be installed on Sony Xperia TX. If you want Android Marshmallow on Xperia TX, follow the guide below.