Samsung galaxy j7 is best android phone with 13MP camera and 2GB RAM and supported 16GB internal storage, Android version 5.1lollypop or 6.0 and front camera is too good with 5.5" screan size, screen quality is very best and battry 3300mAh long lastiong backup and also use best speed internet suppoting. And use WiFi Blutooth .
The Samsung Galaxy J7(2016) is a dual SIM(GSM and GSM) smartphone that accepts two Micro-SIM. Connectivity options include Wi-Fi, GPS, Bluetooth, 3G, 4G(with support for Band 40 used by some LTE networks in India). Sensors on the phone include Proximity sensor, Ambient light sensor, Accelerometer.