Flipkart’s Big Billion Days 2025 and Amazon’s Great Indian Festival 2025 are set to clash once again, offering massive discounts on top smartphones across all price segments. (File Photo)ADVERTISEMENT3 / 7 iPhone 16 Pro: During the Flipkart sale, the iPhone 16 Pro was revealed to be available at Rs. (File Photo)4 / 7 iPhone 15: On Amazon, the iPhone 15 will be available at an effective price of Rs 43,749. (File Photo)ADVERTISEMENT5 / 7 Samsung Galaxy S24 Ultra: During the sale, the smartphone will be available under Rs 80,000 on Flipkart. (File Photo)6 / 7 OnePlus 13R: The smartphone will be available at an effective price of Rs 43,749 on Amazon.