- The sale starts on September 23, 2025, with early access for Plus and Black members beginning on September 22, 2025, and will last for about a week.
- Buyers can benefit from additional savings through bank card discounts, exchange offers, and no-cost EMI options, making it an ideal time to purchase an iPhone.
**TL;DR:** Flipkart's Big Billion Days 2025 offers major discounts on iPhone 15 models, starting September 23, with additional savings through bank offers and exchanges.