OnePlus One

The OnePlus One is a smartphone developed by OnePlus. It was announced on April 23, 2014. It was released on June 2014. It was sold around 1.5 million in one year of availablity.

 Hardware 
OnePlus One has a 5.5 inch IPS LCD screen, 13 MP single back camera, 3 GB RAM, (16 or 64) GB storage options, Qualcomm Snapdragon 801 chipset, 3100 mA·h battery capacity, 5 MP single front camera, Adreno 330 GPU and 162 g mass.

 Software 
It used Cyanogen OS 11S Android 4.4.2 KitKat for the first time. It can upgrade to the other versions like Oxygen 2.1.4 based on Android 5.1.1 Lollipop and Cyanogen OS 13 based on Android Marshmallow when came out.

 References 

Category:OnePlus mobile phones
Category:Mobile phones introduced in 2014
Category:Mobile phones with 4K video recording