The OnePlus One is still a solid phone even a year on, but it is even better when the price is slashed as it has been in India.
On the 20th May OnePlus will be working with online reseller Overcart.com to offer an limited number of unboxed OnePlus One phones at Rs 5000 less than the recommended retail price.
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An unboxed unit is basically a phone which was has already been bought then returned by the original customer after opening the packaging. During this first sale only the 64GB Sandstone Black version of the OnePlus One will be up for sale at only Rs 16,999.[ Source ]