Flipkart Big Billion Days Sale 2025: Best Smartphones Under ₹20,000

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Published On: 21 September 2025 | 20:15 IST Last Updated On: 23 September 2025 | 18:13 IST

If you’re planning to buy a new smartphone, the Flipkart Big Billion Days Sale 2025 is the perfect opportunity. With bank discounts, no-cost EMI, and exchange offers, this year’s sale, starting on 23rd September, will bring a wide lineup of powerful devices under ₹20,000. From dependable entry-level 5G models to performance-driven mid-rangers, here are the top deals across price bands.

We have handpicked some great deals on mobile phones you can avail of during the Flipkart Big Billion Days Sale 2025.

(*Prices with an asterisk may vary depending on bank or exchange offers.)

Best Deals Under ₹10,000

The entry-level segment is more competitive than ever. The POCO C75 (₹7,399) stands out as the only phone in its class with a 4nm Snapdragon 4s Gen2 processor and a 50MP Sony camera. The OPPO K13x emphasises durability with IP65 protection and a 6000mAh battery with 45W charging, while the Samsung Galaxy F06 delivers 25W fast charging and the highest number of 5G bands under ₹10K. The Ai+ Pulse and Ai+ Nova promise value with standout features such as a strong Antutu score, dual cameras, and expandable storage.

Best Deals Between ₹10,000 – ₹15,000

This range is packed with feature-heavy contenders. The Nothing CMF Phone 2 Pro (₹14,999*) offers a triple-camera setup with a 50MP telephoto lens, rare at this price. The realme P3x 5G (₹10,999) brings IP69 water protection with a 6000mAh battery and 45W fast charging. OPPO K13 (₹14,999*) adds 80W SuperVOOC charging with proven durability, while the POCO M7+ (₹10,999*) highlights a massive 7000mAh battery with reverse charging. Tecno’s Pova 7 Series (₹11,499) also impresses with a multi-functional interface and big-battery support. Rounding out this segment is the Motorola G96 5G (₹14,999*), which extends Motorola’s 5G lineup into this price bracket.

Best Deals Between ₹15,000 – ₹20,000

For users seeking more power, this band introduces high-performance specs. The realme P4 5G (₹14,999*) combines a dual chipset with a 7000mAh Titan Battery and 80W charging, making it one of the most balanced phones of the season. The POCO X7 Pro (₹19,999*) features the powerful Dimensity 8400 Ultra and full IP66/68/69 durability ratings. Samsung’s Galaxy A35 5G adds a cinematic AMOLED display with Vision Booster and HDR video capture, while the Vivo T4 5G claims the biggest battery ever in its class. Adding to the lineup, the Motorola G86 Power 5G (₹15,999*) strengthens Motorola’s portfolio in this range, while the Motorola Edge 60 Fusion 5G (₹19,999*) extends flagship-grade design and performance into the sub-20K segment.