The device probably will get the 5.8-inch OLED display placed over the top with the 19:9 aspect ratio. Nokia X device will be available in Snapdragon 636 chipset paired with 6GB of RAM and MediaTek Helio P60 paired with the 4GB of RAM.
Nokia X Image from the Front Side Spotted
UPDATED BY MODERATOR WITH ORIGINAL SOURCE (VERY LIKELY FAKE)