One such deal is on the Nothing Phone 3a, whose price has dropped to under Rs 21,500. ---Advertisement---Flipkart Big Billion Days Sale 2025: The dealNothing launched the Phone 3a at an introductory price of Rs 24,999. ---Advertisement---Nothing Phone 3a: Specifications & featuresThe Nothing Phone 3a features a 6.77-inch AMOLED display with a 3000-nits peak brightness and a 120Hz refresh rate. Thanks to the Big Billion Days offer, it’s an even better deal and a great value-for-money pick in 2025. ALSO READ: Flipkart Big Billion Days Sale 2025: iPhone 16, Pro order cancellations spark outrage – ‘feels like a scam’