It is HK set . Dual sim and Snapdragon 888 ! Original Simfree, English Box --------------------------Samsung galaxy S21---------------------------- Dimensions 151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in) Weight 169 g (Sub6), 171 g (mmWave) (5.96 oz) IP68 dust/water resistant Type Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak) Size 6.2 inches, 94.1 cm2 (~87.2% screen-to-body ratio) Resolution 1080 x 2400 pixels, 20:9 ratio (~421 ppi density) OS Android 11, One UI 3.1 Qualcomm SM8350 Snapdragon 888 5G MAIN CAMERA Triple 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video SELFIE CAMERA Single 10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, Dual Pixel PDAF Li-Ion 4000 mAh, non-removable/Fast charging 25W/USB Power Delivery 3.0/Fast Qi/PMA wireless charging 15W Reverse wireless charging 4.5W --------------------------Samsung galaxy S21+---------------------------- Dimensions 161.5 x 75.6 x 7.8 mm (6.36 x 2.98 x 0.31 in) Weight 200 g (Sub6), 202 g (mmWave) (7.05 oz) IP68 dust/water resistant Type Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak) Size 6.7 inches, 107.8 cm2 (~88.3% screen-to-body ratio) Resolution 1080 x 2400 pixels, 20:9 ratio (~394 ppi density) OS Android 11, One UI 3.1 Qualcomm SM8350 Snapdragon 888 5G (5 nm) MAIN CAMERA Triple 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video SELFIE CAMERA Single 10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, Dual Pixel PDAF Li-Ion 4800 mAh, non-removable/Fast charging 25W/USB Power Delivery 3.0/Fast Qi/PMA wireless charging 15W/Reverse wireless charging 4.5W --------------------------Samsung galaxy S21 Ultra---------------------------- Dimensions 165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in) Weight 227 g (Sub6), 229 g (mmWave) (8.01 oz) IP68 dust/water resistant Type Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak) Size 6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio) Resolution 1440 x 3200 pixels, 20:9 ratio (~515 ppi density) OS Android 11, One UI 3.1 Qualcomm SM8350 Snapdragon 888 5G (5 nm) MAIN CAMERA Quad 108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video SELFIE CAMERA Single 40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF Li-Ion 5000 mAh, non-removable/Fast charging 25W/USB Power Delivery 3.0/Fast Qi/PMA wireless charging 15W/Reverse wireless charging 4.5W