Second hand mobile phones: Samsung under ₹20,000, 6.7″, AMOLED

Samsung Galaxy Z Flip3 5G New Hardware 256GB OS: Android 14.0; Display: 6.70" (1080x2640 px, AMOLED); Camera: 12 MP; RAM: 8 GB; Storage: 256 GB; Battery: 3300 mAh ₹15,000 Samsung Galaxy Z Flip3 5G New Hardware 256GB OS: Android 14.0; Display: 6.70" (1080x2640 px, AMOLED); Camera: 12 MP; RAM: 8 GB; Storage: 256 GB; Battery: 3300 mAh ₹15,000 Samsung Galaxy Z Flip3 5G New Hardware 256GB OS: Android 14.0; Display: 6.70" (1080x2640 px, AMOLED); Camera: 12 MP; RAM: 8 GB; Storage: 256 GB; Battery: 3300 mAh ₹15,000 Samsung Galaxy Z Flip3 5G 256GB OS: Android 14.0; Display: 6.70" (1080x2640 px, AMOLED); Camera: 12 MP; RAM: 8 GB; Storage: 256 GB; Battery: 3300 mAh ₹15,000 Samsung Galaxy Z Flip3 5G 256GB OS: Android 14.0; Display: 6.70" (1080x2640 px, AMOLED); Camera: 12 MP; RAM: 8 GB; Storage: 256 GB; Battery: 3300 mAh ₹15,000 Samsung Galaxy Z Flip3 5G 256GB OS: Android 14.0; Display: 6.70" (1080x2640 px, AMOLED); Camera: 12 MP; RAM: 8 GB; Storage: 256 GB; Battery: 3300 mAh ₹15,000 Samsung Galaxy S21+ 5G 128GB OS: Android 15.0; Display: 6.70" (1080x2400 px, AMOLED); Camera: 12 MP; RAM: 8 GB; Storage: 128 GB; Battery: 4800 mAh ₹16,000 Samsung Galaxy S21+ 5G 128GB OS: Android 15.0; Display: 6.70" (1080x2400 px, AMOLED); Camera: 12 MP; RAM: 8 GB; Storage: 128 GB; Battery: 4800 mAh ₹16,000 Samsung Galaxy S21+ 5G 128GB OS: Android 15.0; Display: 6.70" (1080x2400 px, AMOLED); Camera: 12 MP; RAM: 8 GB; Storage: 128 GB; Battery: 4800 mAh ₹16,000 Samsung Galaxy S21+ 5G 256GB OS: Android 15.0; Display: 6.70" (1080x2400 px, AMOLED); Camera: 12 MP; RAM: 8 GB; Storage: 256 GB; Battery: 4800 mAh ₹17,500 Samsung Galaxy S21+ 5G 256GB OS: Android 15.0; Display: 6.70" (1080x2400 px, AMOLED); Camera: 12 MP; RAM: 8 GB; Storage: 256 GB; Battery: 4800 mAh ₹17,500 Samsung Galaxy Z Flip4 128GB OS: Android 16.0; Display: 6.70" (1080x2640 px, AMOLED); Camera: 12 MP; RAM: 8 GB; Storage: 128 GB; Battery: 3700 mAh ₹20,000