vivo Y21d is a mid-range smartphone aimed at users who prioritise battery life and durability over top-end performance. With a large 6500 mAh battery, 44W fast charging, a 90 Hz refresh rate screen, and rugged certifications including IP68/IP69 in some listings, it offers solid value in its segment. The display resolution is modest at 720p, and the chipset is relatively basic – so it’s best suited for everyday tasks rather than heavy gaming or competitive photography.
