HTC has rolled out an exchange programme, the ?smart upgrade? offer for the HTC One Mini and HTC One dual SIM devices.

As per the conditions of the offer, if a customer exchanges their existing smartphone to upgrade with the HTC One dual SIM Plus device, they can avail of a discount of Rs 5,200.

Moreover, the customer can avail of a discount of Rs 4,300, if exchanging their current smartphone for the HTC One Mini device.

This offer is valid until 31 December 2013 and customers with credit cards from Citibank, HDFC, ICICI, Induslnd bank and Standard Chartered can avail of benefit 4 per cent of cash back on six months of EMI.