Samsung Galaxy j2 is the product of Indian company it is the best quality it has 13 mega pixel camera on back and 8gb internal memory I also buyed this product in the year 2016 but one year also not over but it is not working properly this mobile phone is hanging when I call any one this voice clarity is not there this devise is quickly come to heat and battery pack up also very week in condition when I use this continuously 30 minutes means it’s come to switch off and when I switch on the torch contineously the slowly decrease the brightness when I switch on the phone and I try to open the lock means the lock will be open but for 5 minutes there is no working of the devise