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Samsung Galaxy S21+ 5G

8.1/ 10

Updated May 2026

Announced S21S21, S21+ and S21 Ultra: / S21 FE:
  • Network
    5G
  • Display
  • Camera
    12 MP
  • Memory
    256 GB
  • Battery
    S21: 4000 Lithium polymer / S21+: 4800 Lithium polymer / S21 Ultra: 5000 Lithium polymer / S21 FE: 4500 Lithium polymer
  • OS
    Android 11

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The Samsung Galaxy S21 is a series of high-end Android-based smartphones developed, marketed, and manufactured by Samsung Electronics as part of its flagship Galaxy S series. They collectively serve as the successor to the Galaxy S20 series. The first three smartphones were unveiled at Samsung's Galaxy Unpacked event on January 14, 2021, while the Galaxy S21 FE was unveiled at Samsung's CES on January 4, 2022. The first three phones were released in the United States and Europe on January 29, 2021, while the Fan Edition was released globally on January 7, 2022.

Source: spec data adapted from Wikipedia, available under CC BY-SA 4.0.

Key specifications

OSS21, S21+ and S21 Ultra: / Original: Android 11 with One UI 3.1 / Current: Android 15 with One UI 7 / S21 FE: / Original: Android 12 with One UI 4 / Current: Android 16 with One UI 8
RAMS21 and S21+: 8 GB RAM / S21 Ultra: 12/16 GB RAM / S21 FE 6/8 GB RAM
StorageS21, S21+ and S21 FE: 128/256 GB UFS 3.1 / S21 Ultra: 128/256/512 GB UFS 3.1
Main cameraAll: Features: LED flash, auto-HDR, panorama / Video: 8K@24fps, 4K@30/60fps, 1080p@30/60/120fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS / S21 and S21+: / 12 MP, f/1.8, 26 mm (wide), 1/1.76", 1.8 μm, Dual Pixel PDAF, OIS / 64 MP, f/2.0, 28 mm (telephoto), 1/1.76", 0.8 μm, PDAF, OIS, 1.1x optical, 3x hybrid / 12 MP, f/2.2, 13 mm 120° (ultrawide), 1/2.55" 1.4 μm, Super Steady video S21 Ultra: / 108 MP (2nd gen), f/1.8, 26 mm (wide), 1/1.33", 0.8 μm, PDAF, Laser AF, OIS / 10 MP, f/4.9, 240 mm (periscope telephoto), 1/3.24", 1.22 μm, dual pixel PDAF, OIS, 10x optical / 10 MP, f/2.4, 70 mm (telephoto), 1/3.24", 1.22 μm, dual pixel PDAF, OIS, 3x optical / 12 MP, f/2.2, 13 mm (ultrawide), 1/2.55", 1.4 μm, dual pixel PDAF, Super Steady video S21 FE: / 12 MP, f/1.8, 26 mm (wide), Dual Pixel PDAF, OIS / 8 MP, f/2.4, 76 mm (telephoto), 1/1.76", 0.8 μm, PDAF, 3x optical / 12 MP, f/2.2, 13 mm 123° (ultrawide)
Selfie cameraS21 and S21+: 10 MP, f/2.2, 26 mm (wide), 1/3.24", 1.22 μm, Dual Pixel PDAF / S21 Ultra: 40 MP, f/2.2, 26 mm (wide), 1/2.8", 0.7 μm, PDAF / S21 FE: 32 MP, f/2.2, 26 mm (wide), 1/2.74", 0.8 μm, Dual Pixel PDAF
BatteryS21: 4000 Lithium polymer / S21+: 4800 Lithium polymer / S21 Ultra: 5000 Lithium polymer / S21 FE: 4500 Lithium polymer
ChargingUSB PD: 25W (PPS), 15W (non-PPS) / 15 W QI wireless / 4.5 W Reverse wireless
WeightS21: 169 g / S21+: 200 g / S21 Ultra: 227 g / S21 FE: 177 g
DimensionsS21: 151.7xx71.2xx7.9 / S21+: 161.5xx75.6xx7.8 / S21 Ultra: 165.1xx75.6xx8.9 / S21 FE: 155.7xx74.5xx7.9

Design and display

The Samsung Galaxy S21+ 5G features a modern display measuring S21: 151.7xx71.2xx7.9 / S21+: 161.5xx75.6xx7.8 / S21 Ultra: 165.1xx75.6xx8.9 / S21 FE: 155.7xx74.5xx7.9. The handset weighs S21: 169 g / S21+: 200 g / S21 Ultra: 227 g / S21 FE: 177 g and is built in a Slate form factor.

Performance

Powering the Samsung Galaxy S21+ 5G is the an octa-core system-on-chip. CPU configuration: Exynos: Octa-core (1x2.9 GHz Cortex-X1, 3x2.80 GHz Cortex-A78 and 4x2.2 GHz Cortex-A55) / Snapdragon: Octa-core (1x2.84 GHz, 3x2.42 GHz and 4x1.80 GHz) Kryo 680. Graphics are handled by Exynos: Mali-G78 MP14 / Snapdragon: Adreno 660. It ships with S21 and S21+: 8 GB RAM / S21 Ultra: 12/16 GB RAM / S21 FE 6/8 GB RAM of RAM. Storage options: S21, S21+ and S21 FE: 128/256 GB UFS 3.1 / S21 Ultra: 128/256/512 GB UFS 3.1.

Camera

The rear camera system on the Samsung Galaxy S21+ 5G: All: Features: LED flash, auto-HDR, panorama / Video: 8K@24fps, 4K@30/60fps, 1080p@30/60/120fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS / S21 and S21+: / 12 MP, f/1.8, 26 mm (wide), 1/1.76", 1.8 μm, Dual Pixel PDAF, OIS / 64 MP, f/2.0, 28 mm (telephoto), 1/1.76", 0.8 μm, PDAF, OIS, 1.1x optical, 3x hybrid / 12 MP, f/2.2, 13 mm 120° (ultrawide), 1/2.55" 1.4 μm, Super Steady video S21 Ultra: / 108 MP (2nd gen), f/1.8, 26 mm (wide), 1/1.33", 0.8 μm, PDAF, Laser AF, OIS / 10 MP, f/4.9, 240 mm (periscope telephoto), 1/3.24", 1.22 μm, dual pixel PDAF, OIS, 10x optical / 10 MP, f/2.4, 70 mm (telephoto), 1/3.24", 1.22 μm, dual pixel PDAF, OIS, 3x optical / 12 MP, f/2.2, 13 mm (ultrawide), 1/2.55", 1.4 μm, dual pixel PDAF, Super Steady video S21 FE: / 12 MP, f/1.8, 26 mm (wide), Dual Pixel PDAF, OIS / 8 MP, f/2.4, 76 mm (telephoto), 1/1.76", 0.8 μm, PDAF, 3x optical / 12 MP, f/2.2, 13 mm 123° (ultrawide). Front-facing camera: S21 and S21+: 10 MP, f/2.2, 26 mm (wide), 1/3.24", 1.22 μm, Dual Pixel PDAF / S21 Ultra: 40 MP, f/2.2, 26 mm (wide), 1/2.8", 0.7 μm, PDAF / S21 FE: 32 MP, f/2.2, 26 mm (wide), 1/2.74", 0.8 μm, Dual Pixel PDAF.

Battery and charging

The Samsung Galaxy S21+ 5G packs a S21: 4000 Lithium polymer / S21+: 4800 Lithium polymer / S21 Ultra: 5000 Lithium polymer / S21 FE: 4500 Lithium polymer battery. Charging support: USB PD: 25W (PPS), 15W (non-PPS) / 15 W QI wireless / 4.5 W Reverse wireless.

Connectivity

Network support: 2G, 3G, 4G, 5G. Connectivity options include Bluetooth 5.2 / Wi-Fi 802.11 a/b/g/n/ac/ax(Wi-Fi 6E: S21 Ultra). SIM configuration: nanoSIM, eSIM / Single SIM or Hybrid Dual SIM in dual stand-by.

Rating breakdown

Editorial scores per criterion (out of 10).

features
9.0
performance
8.0
connectivity
9.0
display
7.0
design
8.0
camera
9.0
battery
7.0

Full specifications

NETWORK
Technology2G, 3G, 4G, 5G
LAUNCH
AnnouncedS21, S21+ and S21 Ultra: / S21 FE:
StatusS21, S21+ and S21 Ultra: / S21 FE:
BODY
DimensionsS21: 151.7xx71.2xx7.9 / S21+: 161.5xx75.6xx7.8 / S21 Ultra: 165.1xx75.6xx8.9 / S21 FE: 155.7xx74.5xx7.9
WeightS21: 169 g / S21+: 200 g / S21 Ultra: 227 g / S21 FE: 177 g
SIMnanoSIM, eSIM / Single SIM or Hybrid Dual SIM in dual stand-by
BuildSlate
PLATFORM
OSS21, S21+ and S21 Ultra: / Original: Android 11 with One UI 3.1 / Current: Android 15 with One UI 7 / S21 FE: / Original: Android 12 with One UI 4 / Current: Android 16 with One UI 8
CPUExynos: Octa-core (1x2.9 GHz Cortex-X1, 3x2.80 GHz Cortex-A78 and 4x2.2 GHz Cortex-A55) / Snapdragon: Octa-core (1x2.84 GHz, 3x2.42 GHz and 4x1.80 GHz) Kryo 680
GPUExynos: Mali-G78 MP14 / Snapdragon: Adreno 660
MEMORY
Card slotNone
InternalS21, S21+ and S21 FE: 128/256 GB UFS 3.1 / S21 Ultra: 128/256/512 GB UFS 3.1
MAIN CAMERA
Video4K@30/60fps, 1080p@30/60/120/240fps
DualAll: Features: LED flash, auto-HDR, panorama / Video: 8K@24fps, 4K@30/60fps, 1080p@30/60/120fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS / S21 and S21+: / 12 MP, f/1.8, 26 mm (wide), 1/1.76", 1.8 μm, Dual Pixel PDAF, OIS / 64 MP, f/2.0, 28 mm (telephoto), 1/1.76", 0.8 μm, PDAF, OIS, 1.1x optical, 3x hybrid / 12 MP, f/2.2, 13 mm 120° (ultrawide), 1/2.55" 1.4 μm, Super Steady video S21 Ultra: / 108 MP (2nd gen), f/1.8, 26 mm (wide), 1/1.33", 0.8 μm, PDAF, Laser AF, OIS / 10 MP, f/4.9, 240 mm (periscope telephoto), 1/3.24", 1.22 μm, dual pixel PDAF, OIS, 10x optical / 10 MP, f/2.4, 70 mm (telephoto), 1/3.24", 1.22 μm, dual pixel PDAF, OIS, 3x optical / 12 MP, f/2.2, 13 mm (ultrawide), 1/2.55", 1.4 μm, dual pixel PDAF, Super Steady video S21 FE: / 12 MP, f/1.8, 26 mm (wide), Dua
SELFIE CAMERA
SingleS21 and S21+: 10 MP, f/2.2, 26 mm (wide), 1/3.24", 1.22 μm, Dual Pixel PDAF / S21 Ultra: 40 MP, f/2.2, 26 mm (wide), 1/2.8", 0.7 μm, PDAF / S21 FE: 32 MP, f/2.2, 26 mm (wide), 1/2.74", 0.8 μm, Dual Pixel PDAF
SOUND
LoudspeakerDolby Atmos stereo speakers tuned by AKG
3.5mm jackNo
COMMS
WLANBluetooth 5.2 / Wi-Fi 802.11 a/b/g/n/ac/ax(Wi-Fi 6E: S21 Ultra)
Bluetooth5.x, A2DP, LE
GPSYes, with A-GPS, GLONASS, BDS, GALILEO
USBUSB Type-C
NFCYes
FEATURES
SensorsFingerprint, accelerometer, gyro, proximity, compass, barometer
BATTERY
ChargingUSB PD: 25W (PPS), 15W (non-PPS) / 15 W QI wireless / 4.5 W Reverse wireless
Battery TypeS21: 4000 Lithium polymer / S21+: 4800 Lithium polymer / S21 Ultra: 5000 Lithium polymer / S21 FE: 4500 Lithium polymer

Questions about this phone

When was the Samsung Galaxy S21+ 5G released?
The Samsung Galaxy S21+ 5G was announced S21, S21+ and S21 Ultra: / S21 FE:.
What camera does the Samsung Galaxy S21+ 5G have?
The Samsung Galaxy S21+ 5G features a 12 MP main camera. Specifications: All: Features: LED flash.
Does the Samsung Galaxy S21+ 5G support 5G?
Yes, the Samsung Galaxy S21+ 5G supports 5G networks.
What operating system does the Samsung Galaxy S21+ 5G run?
The Samsung Galaxy S21+ 5G runs Android 11 (full: S21, S21+ and S21 Ultra: / Original: Android 11 with One UI 3.1 / Current: Android 15 with One UI 7 / S21 FE: / Original: Android 12 with One UI 4 / Current: Android 16 with One UI 8).
What is AppsApk's rating for the Samsung Galaxy S21+ 5G?
AppsApk's editorial team rates the Samsung Galaxy S21+ 5G at 8.1 out of 10 based on design, display, battery, camera, features, connectivity, and performance.