Display and Design

The phone sports a 6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio) touchscreen display with a resolution of 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density). With a Super AMOLED, 420 nits (peak) screen, this device offers a smooth visual experience, available in color variants like Blue, Black.

Performance, Storage, and Battery

The phone runs Android 10, One UI 2.5, featuring N/A and powered by a Exynos 9611 (10 nm), Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53). Equipped with 64GB 4GB RAM, 128GB 6GB RAM and internal storage, the phone weighs 191 g (6.74 oz) and measures 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in). It also houses a robust Li-Po 6000 mAh, non-removable battery for extensive usage.

Camera

The rear camera setup includes a 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.2, (depth) and It supports 4K@30fps, 1080p@30fps, gyro-EIS video recording. For selfies, the device includes a 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm front camera, also supporting 1080p@30fps video recording.

Samsung Galaxy M21s Connectivity and Sensors

The Samsung Galaxy M21s offers connectivity options like 3G, 4G, 5G, Wi-Fi, GPS, Bluetooth 5.0, A2DP, LE, USB with USB Type-C 2.0, and HSPA, LTE. It supports Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) and includes sensors like Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass.