Hi current time I am using Samsung galaxy c5 amazing and superb phone so fastest no hanging and the Samsung galaxy c5 is 1.2 ghz octa-core Qualcomm snapdragon processor and the phone comes with 4 Gb with ram of the phone is running is Android 6.0.1 and it is a 2600mah nonremovebal battery the phone is a dual sim with the smart phone connectivity about the phone camera is amazing front 8 mp and 16 mp is superb camera is too good and the phone Samsung galaxy c5 is new look and cool design.i like the phone