OnePlus One, Oppo N1 and YU Yureka are the only smartphones running Cyanogen Mod Retail version. While all three are hard to get, OnePlus One recently made a decision to leave the Invite only Buy Model for One Plus One. 

Only for a limited time, Indians can get One Plus One 64 GB Sandstone Black model for Rs.21,999 without invite from Amazon.

One Plus One Specs

• Qualcomm Snapdragon 801 Processor with 2.5 GHz Quad Core 
• 3 GB RAM
• 64 GB Inbuilt Storage, Non-expandable 
• OS based on Android 4.4, awaiting Oxygen OS update
• 3100 mAh Li-Po Battery 

Apart from that, you can also get 20% off on One Plus One Accessories on Amazon. Given that, the Oxygen OS update is near this could be the best time to get your hands on One Plus One, 2014's flagship killer. Carl Pei, CEO of One Plus has already announced that Oxygen OS based on Android 5.0 Lollipop  will be out by February last. 

So, if you want to buy OnePlus One without an invite, then head to Amazon.