Guys, system of Samsung galaxy j2 is very poor. all in first thing, hanging and screen quality become after some months. friends, I realy used this mobile phone for 2 year and I forgeted some problems. speaker and sound quality of this mobile phone will work permanently good but screen quality, and camera will become poor condition of quality. I see after nine months of buying that it’s hanging when continue download more videos and files by using any brouser. friends, if you want contect me, this is my WhatsApp number 8741904975.