Samsung Galaxy A51 5G (SM-A516B) — O2U
Samsung Galaxy A51 5G Released 2020, April 29 | 187g, 8.7mm thickness | Android 10, up to Android 13, One UI 5 | 128GB storage, microSDXC | Super AMOLED | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP (macro) Auxiliary lens | Li-Po 4500 mAh
Samsung Galaxy A51 5G Network Specifications
| Speed | HSPA, LTE, 5G |
| 5G | 41, 78 SA/NSA/Sub6 - SM-A516B/DS |
| 4G | 1, 3, 4, 5, 7, 8, 12, 20, 28, 38, 40, 41 - SM-A516B/DS |
| 3G | HSDPA 850 / 900 / 1900 / 2100 - SM-A516B/DS |
| 2G | GSM 850 / 900 / 1800 / 1900 |
| Technology | GSM / HSPA / LTE / 5G |
Samsung Galaxy A51 5G body Specifications
| SIM | · Nano-SIM · Nano-SIM + Nano-SIM |
| Build | Glass front (Gorilla Glass 3), plastic back, aluminum frame |
| Weight | 187 g (6.60 oz) |
| Dimensions | 158.9 x 73.6 x 8.7 mm (6.26 x 2.90 x 0.34 in) |
Samsung Galaxy A51 5G MISC Specifications
| SAR EU | 0.50 W/kg (head) 1.55 W/kg (body) |
| Colors | Prism Cube Black, Prism Cube White, Prism Cube Pink |
Samsung Galaxy A51 5G display Specifications
| Protection | Corning Gorilla Glass 3 |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) |
| Size | 6.5 inches, 102.0 cm 2 (~87.2% screen-to-body ratio) |
| Type | Super AMOLED |
Samsung Galaxy A51 5G Sound Specifications
| 3.5mm jack | Yes |
| Loudspeaker | Yes |
Samsung Galaxy A51 5G Platform Specifications
| GPU | Mali-G76 MP5 |
| CPU | Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55) |
| Chipset | Exynos 980 (8 nm) |
| OS | Android 10, upgradable to Android 13, One UI 5 |
Samsung Galaxy A51 5G Battery Specifications
| Charging | 15W wired |
| Battery | Li-Po 4500 mAh |
Samsung Galaxy A51 5G memory Specifications
| Internal | 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM |
| Card slot | microSDXC (uses shared SIM slot) |
Samsung Galaxy A51 5G Main Camera Specifications
| Video | 4K@30fps, 1080p@30/120fps; gyro-EIS |
| Features | LED flash, panorama, HDR |
| Camera | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP (macro) Auxiliary lens |
O2U Region Firmware Info
O2U - United KingdomA 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 O2U code is used in United Kingdom by O2, with one Samsung Galaxy A51 5G firmware version known so far.
Samsung Galaxy A51 5G O2U Firmware ArchiveOfficial Samsung Galaxy A51 5G firmware for the United Kingdom O2U region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
Samsung Galaxy A51 5G Combination & Special FilesCombination and service files for the Samsung Galaxy A51 5G (SM-A516B) — authorized repair, FRP reset after service, and diagnostics.
| Device Mobile | Version | Bit - SW REV | FA | Change list | Updated | Status |
|---|---|---|---|---|---|---|
O2U Firmware FAQ
Which carriers use the O2U CSC on the Samsung Galaxy A51 5G?+
The O2U CSC is used by O2 in United Kingdom. Flash the O2U firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy A51 5G firmware versions are available for the O2U region?+
Currently one known Samsung Galaxy A51 5G firmware version is available for the O2U (United Kingdom) region.
How is the O2U 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. O2U is the code for United Kingdom (O2) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.