Flipkart Big Billion Days sale will start on September 23. The annual sale will offer 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. As per the sale webpage, iPhone 12 mini will be available at ₹49,999 on Flipkart. It is currently listed at ₹55,359 on the e-commerce platform.