The Lava Iris X8 is powered by 1.4GHz oct-core MediaTek MT6592 processor and it comes with 2GB of RAM. It runs Android 4.4 and is powered by a 2500mAh non removable battery.
I would not venture down the road of creating a custom display connector. A lot of work that will probably not work. Better just replace the display right away. Found the display here;