sometime when i received a call I cant hear voice of other party in ear speaker and when I put my phone on speaker I talked clearly. this problem is solved when i restart my c9 pro. but this happened again and again. Also sometime it charge fast a...

since I had purchased the C9 pro, I had tried using with various network SIM card.but while speaking on phone VOICE automatically breaks after 40 to 50 secondssometime it again starts or if not then I need to disconnect the call.Please suggest soluti...

i was used lots of mobile phone like mi;lenovo;oppo;vivo;samsung and many more but among that samsung is best.....