| Display diagonal | 15.8 cm (6.2") |
| Display resolution | 2400 x 1080 pixels |
| Screen shape | Flat |
| Display type | OLED |
| Display technology marketing name | Dynamic AMOLED 2X |
| Display number of colours | 16 million colours |
| Maximum refresh rate | 120 Hz |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | High Dynamic Range 10+ (HDR10 Plus) |
| Touchscreen type | Capacitive |
| Pixel density | 421 ppi |
| Rounded display corners | Yes |
| Processor frequency | 2.9 GHz |
| Processor cores | 8 |
| RAM capacity | 8 GB |
| Internal storage capacity | 128 GB |
| Compatible memory cards | Not supported |
| User memory | 110 GB |
| RAM type | LPDDR5 |
| USB mass storage | Yes |
| Rear camera type | Triple camera |
| Rear camera resolution (numeric) | 12 MP |
| Front camera type | Single camera |
| Front camera resolution (numeric) | 10 MP |
| Rear camera flash | Yes |
| Second rear camera resolution (numeric) | 12 MP |
| Third rear camera resolution (numeric) | 64 MP |
| Rear camera aperture number | 2.2 |
| Second rear camera aperture number | 1.8 |
| Third rear camera aperture number | 2 |
| Rear camera pixel size | 1.4 µm |
| Second rear camera pixel size | 1.8 µm |
| Third rear camera pixel size | 0.8 µm |
| Rear camera field of view (FOV) angle | 120° |
| Second rear camera field of view (FOV) angle | 79° |
| Third rear camera field of view (FOV) angle | 76° |
| Optical zoom | 3x |
| Digital zoom | 30x |
| Video capture resolution (max) | 7680 x 4320 pixels |
| Resolution at capture speed | 1280x720@30fps, 1280x720@960fps, 1920x1080@240fps, 1920x1080@30fps, 1920x1080@60fps, 3840x2160@30fps, 3840x2160@60fps |
| Video recording modes | 720p, 1080p, 2160p |
| Auto focus | Yes |
| Video stabilizer | Yes |
| Image stabilizer | Yes |
| Geotagging | Yes |
| Multi-shot | Yes |
| Self-timer | Yes |
| Night mode | Yes |
| SIM card capability | Dual SIM |
| Mobile network generation | 5G |
| SIM card type | NanoSIM + eSIM |
| 3G standards | HSDPA, HSPA+, HSUPA, UMTS |
| 4G standard | LTE |
| Wi-Fi | Yes |
| Bluetooth | Yes |
| Voice over LTE (VoLTE) supported | Yes |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) |
| Bluetooth version | 5.0 |
| Tethering (modem-mode) | Yes |
| Wi-Fi Direct | Yes |
| Near Field Communication (NFC) | Yes |
| Subscription type | No subscription |
| USB port | Yes |
| USB connector type | USB Type-C |
| USB version | 3.2 Gen 1 (3.1 Gen 1) |
| Headphone connectivity | USB Type-C |
| Short Message Service (SMS) | Yes |
| Multimedia Messaging Service (MMS) | Yes |
| E-mail | Yes |
| Form factor | Bar |
| Product colour | Pink |
| Colour name | Phantom Pink |
| International Protection (IP) code | IP68 |
| Protection features | Dust resistant, Water resistant |
| Video call | Yes |
| Fast charging | Yes |
| Wireless charging | Yes |
| Fingerprint reader | Yes |
| Iris recognition | No |
| Face recognition | Yes |
| Speakerphone | Yes |
| USB On-The-Go support | Yes |
| Vibrating alert | Yes |
| Position location | Yes |
| GPS (satellite) | Yes |
| GLONASS | Yes |
| BeiDou | Yes |
| Galileo | Yes |
| Wi-Fi positioning | Yes |
| Speakers | stereo |
| Supported video modes | 720p, 1080p, 2160p, 4320p |
| Audio system | Dolby Atmos |
| Audio formats supported | 3GA, AAC, AMR, APE, AWB, DFF, DSF, FLAC, IMY, M4A, Mid, MIDI, MP3, MXMF, OGA, OGG, OTA, RTTTL, RTX, WAV, WMA, XMF |
| Video formats supported | 3G2, 3GP, ASF, AVI, FLV, M4V, MKV, MP4, WEBM, WMV |
| Platform | Android |
| Operating system installed | Android 11 |
| App distribution platform | Google Play |
| Google applications | Google Maps, Google Play |
| Virtual assistant | Samsung Bixby |
| Battery capacity | 4000 mAh |
| Wireless Power Share | Yes |
| Removable battery | No |
| Proximity sensor | Yes |
| Accelerometer | Yes |
| Ambient light sensor | Yes |
| Gyroscope | Yes |
| Orientation sensor | Yes |
| Barometer | Yes |
| Geomagnetic sensor | Yes |
| Hall sensor | Yes |
| Weight | 171 g |
| Width | 71.2 mm |
| Depth | 7.9 mm |
| Height | 151.7 mm |
| Head SAR (EU) | 0.456 W/kg |
| Body SAR (EU) | 1.509 W/kg |
| Quick start guide | Yes |
| Cables included | USB Type-C |
| SIM card ejector pin | Yes |
| Touchscreen | Yes |
| Repairability index | 8.2 |
| Description |
| Samsung Galaxy S21 5G SM-G991B. Display diagonal: 15.8 cm (6.2"), Display resolution: 2400 x 1080 pixels, Display type: OLED. Processor frequency: 2.9 GHz. RAM capacity: 8 GB, RAM type: LPDDR5, Internal storage capacity: 128 GB. Rear camera resolution (numeric): 12 MP, Rear camera type: Triple camera. SIM card capability: Dual SIM. Operating system installed: Android 11. Battery capacity: 4000 mAh. Product colour: Pink. Weight: 171 g |
