Samsung Galaxy S21 FE 5G (SM-G990U3) — AIO
Samsung Galaxy S21 FE 5G Released 2022, January 07 | 177g, 7.9mm thickness | Android 12, up to 4 major upgrades, One UI 8 | 128GB/256GB storage, no card slot | Dynamic AMOLED 2X, 120Hz, HDR10+ | 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 8 MP, f/2.4, 76mm (telephoto), 1/4.5", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/3.0
Samsung Galaxy S21 FE 5G Network Specifications
| Speed | HSPA 42.2/5.76 Mbps, LTE (5CA) Cat19 1600/200 Mbps, 5G |
| 5G | 1, 3, 5, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA/Sub6 - International |
| 4G | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 32, 38, 40, 41, 66 - International |
| 3G | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 2G | GSM 850 / 900 / 1800 / 1900 |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
Samsung Galaxy S21 FE 5G body Specifications
| SIM | · Nano-SIM · Nano-SIM + Nano-SIM |
| Build | Glass front (Gorilla Glass Victus), plastic back, aluminum frame |
| Weight | 177 g (6.24 oz) |
| Dimensions | 155.7 x 74.5 x 7.9 mm (6.13 x 2.93 x 0.31 in) |
Samsung Galaxy S21 FE 5G MISC Specifications
| SAR EU | 0.95 W/kg (head) 1.48 W/kg (body) |
| SAR US | 0.77 W/kg (head) 0.90 W/kg (body) |
| Colors | White, Graphite, Lavender, Olive |
Samsung Galaxy S21 FE 5G display Specifications
| Protection | Corning Gorilla Glass Victus |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) |
| Size | 6.4 inches, 100.5 cm 2 (~86.7% screen-to-body ratio) |
| Type | Dynamic AMOLED 2X, 120Hz, HDR10+ |
Samsung Galaxy S21 FE 5G Sound Specifications
| 3.5mm jack | No |
| Loudspeaker | Yes, with stereo speakers |
Samsung Galaxy S21 FE 5G Platform Specifications
| GPU | Adreno 660 - Version 1 Mali-G78 MP14 - Version 2 |
| CPU | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - Version 1 Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - Version 2 |
| Chipset | Qualcomm SM8350 Snapdragon 888 5G (5 nm) - Version 1 Exynos 2100 (5 nm) - Version 2 |
| OS | Android 12, up to 4 major Android upgrades, One UI 8 |
Samsung Galaxy S21 FE 5G Battery Specifications
| Charging | 25W wired, PD3.0, 50% in 30 min 15W wireless Reverse wireless |
| Battery | Li-Ion 4500 mAh |
Samsung Galaxy S21 FE 5G memory Specifications
| Internal | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM |
| Card slot | No |
Samsung Galaxy S21 FE 5G Main Camera Specifications
| Video | 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, 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 8 MP, f/2.4, 76mm (telephoto), 1/4.5", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/3.0", 1.12µm |
AIO Region Firmware Info
AIO - United StatesA 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 AIO code is used in United States by Cricket Wireless, with one Samsung Galaxy S21 FE 5G firmware version known so far.
Samsung Galaxy S21 FE 5G AIO Firmware ArchiveOfficial Samsung Galaxy S21 FE 5G firmware for the United States AIO region, including BL, AP, CP, CSC and HOME_CSC packages for Odin flashing.
Samsung Galaxy S21 FE 5G Combination & Special FilesCombination and service files for the Samsung Galaxy S21 FE 5G (SM-G990U3) — authorized repair, FRP reset after service, and diagnostics.
| Device Mobile | Version | Bit - SW REV | FA | Change list | Updated | Status |
|---|---|---|---|---|---|---|
AIO Firmware FAQ
Which carriers use the AIO CSC on the Samsung Galaxy S21 FE 5G?+
The AIO CSC is used by Cricket Wireless in United States. Flash the AIO firmware only if your device was sold through one of these carriers.
How many Samsung Galaxy S21 FE 5G firmware versions are available for the AIO region?+
Currently one known Samsung Galaxy S21 FE 5G firmware version is available for the AIO (United States) region.
How is the AIO 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. AIO is the code for United States (Cricket Wireless) — flashing a different CSC can change your carrier branding, available languages and which OTA updates you receive.