Samsung Galaxy S21 5G (SM-G991B) — AFR
Samsung Galaxy S21 5G Released 2021, January 29 | 169g (Sub6), 171g (mmWave), 7.9mm thickness | Android 11, up to 4 major upgrades, One UI 7 | 128GB/256GB storage, no card slot | Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak) | 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
Samsung Galaxy S21 5G Network Specifications
| Speed | HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL) |
| 5G | 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G991U1 |
| 4G | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G991U1 |
| 3G | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 2G | GSM 850 / 900 / 1800 / 1900 |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
Samsung Galaxy S21 5G body Specifications
| SIM | · Nano-SIM + eSIM · Nano-SIM + Nano-SIM + eSIM (max 2 at a time) |
| Build | Glass front (Gorilla Glass Victus), plastic back, aluminum frame |
| Weight | 169 g (Sub6), 171 g (mmWave) (5.96 oz) |
| Dimensions | 151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in) |
Samsung Galaxy S21 5G MISC Specifications
| SAR EU | 0.46 W/kg (head) 1.51 W/kg (body) |
| SAR US | 0.74 W/kg (head) 1.08 W/kg (body) |
| Colors | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink |
Samsung Galaxy S21 5G display Specifications
| Protection | Corning Gorilla Glass Victus |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~421 ppi density) |
| Size | 6.2 inches, 94.1 cm 2 (~87.2% screen-to-body ratio) |
| Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak) |
Samsung Galaxy S21 5G Sound Specifications
| 3.5mm jack | No |
| Loudspeaker | Yes, with stereo speakers |
Samsung Galaxy S21 5G Platform Specifications
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China |
| CPU | Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China |
| Chipset | Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China |
| OS | Android 11, up to 4 major Android upgrades, One UI 7 |
Samsung Galaxy S21 5G Battery Specifications
| Charging | 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless |
| Battery | Li-Ion 4000 mAh |
Samsung Galaxy S21 5G memory Specifications
| Internal | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
| Card slot | No |
Samsung Galaxy S21 5G Main Camera Specifications
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS |
| Features | LED flash, auto-HDR, panorama |
| Camera | 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 |
AFR Region Firmware Info
AFR - KenyaA CSC (Consumer Software Customization) code ties a Samsung firmware build to the country and carrier it was released for, controlling branding, available languages and which OTA updates a device receives. The AFR code is used in Kenya by Safaricom, Airtel Kenya, Telkom Kenya, Finserve, with one Samsung Galaxy S21 5G firmware version known so far.
Samsung Galaxy S21 5G AFR Firmware ArchiveOfficial Samsung Galaxy S21 5G firmware for the Kenya AFR region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
Samsung Galaxy S21 5G Combination & Special FilesCombination and service files for the Samsung Galaxy S21 5G (SM-G991B) — authorized repair, FRP reset after service, and diagnostics.
| Device Mobile | Version | Bit - SW REV | FA | Change list | Updated | Status |
|---|---|---|---|---|---|---|
AFR Firmware FAQ
Which carriers use the AFR CSC on the Samsung Galaxy S21 5G?+
The AFR CSC is used by Safaricom, Airtel Kenya, Telkom Kenya, and Finserve in Kenya. Flash the AFR firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy S21 5G firmware versions are available for the AFR region?+
Currently one known Samsung Galaxy S21 5G firmware version is available for the AFR (Kenya) region.
How is the AFR CSC different from other region codes?+
Samsung ties every firmware build to one of roughly 599 CSC (Consumer Software Customization) codes, each tied to a specific country and carrier. AFR is the code for Kenya (Safaricom, Airtel Kenya, Telkom Kenya, and Finserve) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.