A recently published kernel source reveals spces for the device codenamed "j7xlte", we can assume it will be Samsung Galaxy J7.
The device will be equipped with a FullHD screen, a 5.5-inch one. Model number for screen is ss_dsi_panel_S6E3FA3_AMS549JR01_FHD.
The phone includes a Snapdragon 650 SoC.
There is no mention of memory in the code, there is one about the cameras: a 13 MP shooter on the back, with a 5 MP on the front. The last but not least, the battery of 4,300 mAh, which is quite a lot.