Hello, my name is yatender kumar shukla. Today I am going to tell you Samsung galaxy j7 duo. Display type of this phone Super AMOLED. It has screen size 5.5inch with resolution 780* 1280. Date announced of Samsung galaxy j7 of 12 April, 2018. Operating system of this phone android oreo 8.1 and chips etc 7870 octa-core 1.6 GHz cortex A53 with GPU Mali T-830 MP1. It has dual camera 13mp+ 5mp with flash and front camera 8 mp with flash. Camera quality of this phone is very brilliant. It has removable 3000mAh bettry. And body of this mobile sleek, stylish. This is a fair price phone.