Samsung is maintaining its momentum with security patches for compatible models as it counts down to the stable release of One UI 7. The South Korean brand has recently rolled out the December 2024 update for three of its smartphones. Here are the details!

December 2024 Patch Released for Galaxy S21 Series

The latest models to receive the December 2024 update are the Galaxy S21, S21 Plus, and S21 Ultra. The new patch arrives with the G99xUSQSEGXK3 build number and is currently rolling out to US variants first. Reports suggest that users in other regions will also receive the update in the coming days.

The December 2024 update for the Galaxy S21 series fixes over 45 security vulnerabilities and enhances overall system stability. While the exact size of the update is unknown, it is expected to be around 400 MB on average.

If you haven’t received the update notification automatically, you can manually check for it by navigating to:
Settings > Software Update > Download and Install.
If the update still doesn’t appear, it may not have reached your region yet, so you might need to wait a little longer.

Galaxy S21 Specifications

Feature	Details
Dimensions & Weight	71.2 x 151.7 x 7.9 mm – 169 grams
Display	6.2-inch – AMOLED – 120 Hz – 1080×2400 pixels – HDR10+
Processor	Exynos 2100 (5 nm – 2.9 GHz – Octa-core)
Memory & Storage	8 GB RAM – 128 GB / 256 GB
Rear Camera	12 MP f/1.8 wide – 12 MP f/2.2 ultra-wide – 64 MP f/2.0 telephoto \n8K 30 FPS / 4K 60 FPS video
Front Camera	10 MP f/2.2 wide – 4K 60 FPS video
Battery	4000 mAh – 25W fast charging – 15W wireless charging
Connectivity	Wi-Fi 802.11 a/b/g/n/ac/6e – Bluetooth 5.0 – GPS – GLONASS
Security	In-display fingerprint reader – Face recognition
Software	Android 11 OS – One UI 3.1
Colors	Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
Other Features	IP68, Stereo speakers, Wireless PowerShare

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