Tolong jelaskan mengenai Samsung Galaxy S21

| name         = Samsung Galaxy S21Samsung Galaxy S21+Samsung Galaxy S21 UltraSamsung Galaxy S21 FE

| logo         = Galaxy S21 Logo 5G.svg

| manufacturer = Samsung Electronics

| slogan       = Everyday Epic

| series       = Galaxy S

| modelnumber  = SM-G990x (S21 FE)SM-G991x (S21)SM-G996x (S21+)SM-G998x (S21 Ultra)(Last letter varies by carrier and international models)

| networks     = 2G, 3G, 4G LTE, 5G

| released     = S21, S21+, S21 Ultra:  S21 FE:

| available    = S21, S21+, S21 Ultra:  S21 FE:

| predecessor  = Samsung Galaxy S20

| related      = Samsung Galaxy Z Flip 3Samsung Galaxy Z Fold 3

| os           = One UI 3.1, Android 11

| soc          = {{ubl|Internasional: Samsung Exynos 2100 |Amerika Serikat, Tiongkok: Qualcomm Snapdragon 888}}

| input        = USB-C 3.2Sensors:| display      =

| ext_display  = Always on

| rear_camera  = Semua: Fitur: Lampu kilatLED, auto-HDR, panorama

Video: 8K@24fps, 4K@30/60fps, 1080p@30/60/120fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OISS21 FE:

12 MP, f/1.8, 26 mm (wide), Dual Pixel PDAF, OIS

8 MP, f/2.4, 76 mm (telephoto), 1/1.76", 0.8µm, PDAF, 3x optical

12 MP, f/2.2, 13 mm 123° (ultrawide)S21 dan S21+:

12 MP, f/1.8, 26 mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS

64 MP, f/2.0, 28 mm (telephoto), 1/1.76", 0.8µm, PDAF, OIS, 1.1x optical, 3x hybrid

12 MP, f/2.2, 13 mm 120° (ultrawide), 1/2.55" 1.4µm, Super Steady videoS21 Ultra:

108 MP (2nd gen), f/1.8, 26mm (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

10 MP, f/2.4, 70mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical

12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video

| sound        = Dolby Atmos stereo speakers tuned by AKG

| water_resist = Tahan air/debu IP68, hingga 1.5 m untuk 30 menit

| sar          = *S21: 0,74 W/kg (kepala)1,08 W/kg (tubuh)

EU: 0,46 W/kg (kepala)1,51 W/kg (tubuh)S21 FE: 0.77 W/kg (kepala)0.90 W/kg (tubuh)

EU: 0.46 W/kg (kepala)1.51 W/kg (tubuh)S21+: 0,65 W/kg (kepala) 0,95 W/kg (tubuh)

EU: 0,54 W/kg (kepala) 1,33 W/kg (tubuh)S21 Ultra: 0,77 W/kg (kepala) 1,02 (tubuh)

EU: 0,71 W/kg (kepala) 1,58 W/kg (tubuh)

| website      = *S21 and S21+

}}Samsung Galaxy S21''' adalah jajaran ponsel cerdas berbasis Android yang dirancang, dikembangkan, dipasarkan, dan diproduksi oleh Samsung Electronics sebagai bagian dari seri Galaxy S. Secara kolektif, seri Galaxy S21 juga berperan sebagai penerus seri Galaxy S20.