OnePlus One In Details.

• The device's internal hardware

   includes a quad-core Qualcomm Snapdragon 801 system-on-chip clocked at 2.5 GHz, 3 GB of RAM, and a 5.5-inch, JDI 1080p IPS LCD display. It includes either 16 or 64 GB of non-expandable storage. Its rear-facing camera features a 13 megapixel, Sony-manufactured Exmor IMX214 sensor, alongside a 5-megapixel front-facing camera. The OnePlus One supports LTE networks using bands 1, 3, 4, 7, 17, 38, and 40. Due to the company’s startup stature, only one model of the device was released worldwide, without any additional regional SKUs like other smartphones.

• Software

  Outside of China, the OnePlus One ships with CyanogenMod 11S, based on Android 4.4.4 “KitKat”. The latest version of CyanogenMod 11S is 11.0-XNPH05Q. In China, OnePlus One ships with Oppo’s ColorOS distribution, based on Android 4.3 “Jelly Bean”. Alongside additional features added to the Android platform through Cyanogen (including wider customization options, an audio equalizer, encrypted messaging, and application privacy controls), the 11S software adds persistent voice commands, and gestures that can be performed while the phone is in standby to perform various functions, such as double-tapping the screen to turn it on, drawing a circle to go to the camera, and drawing a “V” to activate flashlight mode.

  An upgrade to Cyanogen OS 12, based on Android 5.0.2 “Lollipop” was released for all OnePlus One devices outside of China on 14 April 2015. The latest version of CyanogenMod 12.1 is 12.1-YOG4PAS1N0. Two in-house Lollipop-based distributions, OxygenOS and HydrogenOS, were released earlier, on 4 April 2015, outside and inside China respectively.