Galaxy S21
SM-G991B · 2021 · handheld
Specifications
- Cpu
- Samsung Exynos 2100 octa-core (US: Qualcomm Snapdragon 888 octa-core)
- Ram
- max: 8 GB (soldered) · base: 8 GB
- Ports
- USB-C
- Camera
- Triple: 12 MP wide with OIS + 64 MP telephoto + 12 MP ultrawide, 8K video
- Battery
- 4000 mAh (sealed)
- Display
- 6.2" 2400×1080 120 Hz Dynamic AMOLED 2X
- Storage
- base: 128 GB · options: 256 GB
- Os Support
- latest: Android 14 (official) · shipped: Android 11
- Release Price
- $800 unlocked
Variants
Revisions
InternationalSM-G991B2021 global unlocked model
US unlockedSM-G991U2021 US unlocked/carrier model
CanadaSM-G991W2021 Canadian model
Colors
Phantom Gray2021 launch color
Phantom White2021 launch color
Phantom Violet2021 launch color
Phantom Pink2021, online exclusive
Storage
128GB
256GB
Upgrade paths
battery
New 4000 mAh cell · Glued back (plastic on the base S21) and strongly adhered battery; iFixit rated the S21 4/10.
~$30
HARDstorage
Soldered UFS storage, no microSD slot · The S21 generation dropped the microSD slot; internal storage is fixed at the purchased tier.
LOCKEDOn 4 shelves
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Legendary score
unrated
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