Flipkart Big Billion Days go on sale on September 23. The annual sale offers discounts on a range of products, including smartphones, laptops, home appliances, fashion and more. Ahead of the festive sale, the e-tailer has revealed the deal price of Apple iPhone 12 mini. According to the sales webpage, iPhone 12 mini is available on: 49,999 on Flipkart. It is currently listed on 55,359 on the e-commerce platform.