It is offered many features when the promoters introduced the mobile phone oppo a57. But iam sisappointed for spending about 13000 Rupees for a mobile shaped camera. No body can deny the clarity of oppo A57. But it is a large failure according to a good mobile phone. It is very heating when data and some tabs are opened. The internal memmory is 32 Gb and above one third is already occupied by the application. And the occupied applications are not good good perfoming. Hanging also is a noticable defect