Generally, OnePlus devices need an invite to purchase them but sometimes the company makes them available to purchase without any invitation. That is happening in India right now.
The latest flagship by OnePlus, the OnePlus 2 is now available to purchase in India without any invite. The company is offering the 64 GB version of the deivce at Amazon India for INR24,999. The open sale will continue till tomorrow (27th October) if the stock lasts. Because the stock is limited and if all devices sell out, the open sale will be ended.
OnePlus 2 is, as the company calls it, the flagship killer of 2015. It offers high-end specification in very mid range price. OnePlus 2 comes with a 5.5 inch 1080p display. Internal storage is 16 GB or 64 GB with 3 GB and 4 GB RAM respectively. The chipset is Qualcomm Snapdragon 810 with Adreno 430 GPU. 4G and a 3,300 mAh battery is on board. The main camera on this device is 13 MP which can record 2160p videos and a 5 MP camera is also there for excellent selfies.
The device currently runs on Android 5.1.1 Lollipop but will get the Marshmallow update soon.