Sony Xperia Z Ultra has a 6.4″ full HD display. The device is powered by a quad core 2.2GHz Qualcomm processor, Adreno 330 GPU, 2GB RAM and LTE connectivity. It is IP58 certified, meaning it is dust and water proof, and water resistant to 1 meter or 30 minutes. It features an 8MP camera, 16GB of internal storage and it runs on a large 3050mAh battery.
Android 5.1.1 can now be installed on Xperia Z Ultra via CM 12.1 custom ROM. Using this ROM, you device will perform better and you will also get the CyanogenMod features. Follow the guide below to install it on Z Ultra.