
Samsung Galaxy S21 Ultra 5G Released 2021, January 29 | 227g (Sub6), 229g (mmWave), 8.9mm thickness | Android 11, up to 4 major upgrades, One UI 7 | 128GB/256GB/512GB storage, no card slot | Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak) | 108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, OIS 10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optica
Samsung Galaxy S21 Ultra 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-G998U1 |
| 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-G998U1 |
| 3G | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 2G | GSM 850 / 900 / 1800 / 1900 |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
Samsung Galaxy S21 Ultra 5G body Specifications
| SIM | · Nano-SIM + eSIM · Nano-SIM + Nano-SIM + eSIM (max 2 at a time) |
| Build | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame |
| Weight | 227 g (Sub6), 229 g (mmWave) (8.01 oz) |
| Dimensions | 165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in) |
Samsung Galaxy S21 Ultra 5G MISC Specifications
| SAR EU | 0.71 W/kg (head) 1.58 W/kg (body) |
| SAR US | 0.77 W/kg (head) 1.02 W/kg (body) |
| Colors | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy |
Samsung Galaxy S21 Ultra 5G display Specifications
| Protection | Corning Gorilla Glass Victus |
| Resolution | 1440 x 3200 pixels, 20:9 ratio (~515 ppi density) |
| Size | 6.8 inches, 112.1 cm 2 (~89.8% screen-to-body ratio) |
| Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak) |
Samsung Galaxy S21 Ultra 5G Sound Specifications
| 3.5mm jack | No |
| Loudspeaker | Yes, with stereo speakers |
Samsung Galaxy S21 Ultra 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 Ultra 5G Battery Specifications
| Charging | 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless |
| Battery | Li-Ion 5000 mAh |
Samsung Galaxy S21 Ultra 5G memory Specifications
| Internal | 128GB 8GB RAM, 128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM |
| Card slot | No |
Samsung Galaxy S21 Ultra 5G Main Camera Specifications
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS |
| Features | Laser AF, LED flash, auto-HDR, panorama |
| Camera | 108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, OIS 10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video |
GLW Region Firmware Info
A 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 GLW code is used in Canada by Globalive Wind, with one Samsung Galaxy S21 Ultra 5G firmware version known so far.
Official Samsung Galaxy S21 Ultra 5G firmware for the Canada GLW region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
Combination and service files for the Samsung Galaxy S21 Ultra 5G (SM-G998W) — authorized repair, FRP reset after service, and diagnostics.
| Device Mobile | Version | Bit - SW REV | FA | Change list | Updated | Status |
|---|---|---|---|---|---|---|
GLW Firmware FAQ
Which carriers use the GLW CSC on the Samsung Galaxy S21 Ultra 5G?+
The GLW CSC is used by Globalive Wind in Canada. Flash the GLW firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy S21 Ultra 5G firmware versions are available for the GLW region?+
Currently one known Samsung Galaxy S21 Ultra 5G firmware version is available for the GLW (Canada) region.
How is the GLW 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. GLW is the code for Canada (Globalive Wind) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.
