Chinese technology major Lenovo sold one lakh units of A6000 Plus smartphone in 15 minutes in its first flash sale which started at 2 pm on Tuesday on e-commerce site Flipkart.com. Lenovo A6000 Plus, priced at Rs 7,499, comes with 5" HD display, 2GB RAM and 16GB storage space. Meanwhile, registration began for the next flash sale on May 5.