The smartphone lyf8 launched by realiance is best 4g phone under 4500 but its sound quility is somewhat good bt its style & design is even better but its battery capacity is less takes more charging time and it becomes hot even long use & design is best and its android it is 6.0.1 marshmallow operated containing 1gb of ram & 8gb internal storage .and 4g operated . it is available under best price