Samsung Galaxy Core was launched in June last year. It has a 4.3″ screen with a resolution of 480×800 pixels. It has a 1.2GHz dual core processor, 1 GB of RAM and 8 GB of internal memory. Galaxy Core is equipped with a 5MP primary camera and a VGA secondary camera. It runs on Android 4.1.2 Jelly Bean OS.
You can upgrade your Galaxy Core to the latest Android 4.4.2 OS with the help of CM 11 custom ROM. Android 4.4 is made in such a way that it can give a good performance even on a mid range device. So you can run Android 4.4 on the Galaxy Core without worrying about the performance of the phone. Follow the steps given below.