This Phone is released One year ago, with all latest and good features with 64 GB Internal memory. It is 15 MP rear camera and 5 MP front Camera and most important its RAM is 3 GB. It has not Card slot as its internal memory is 64 GB and is enough to store all data. It has good battery backup with 3100 mAh battery.
The One is termed as the “flagship killer” manufactured by the company OnePlus. Much like the recent trend set by companies like Xiaomi, the company aims to provide flagship-grade features for a less than flagship price.