Samsung Galaxy S21+ 5G G996NKSS6GXGJ
SM-G996N 1 country Android 14

Samsung Galaxy S21+ 5G G996NKSS6GXGJ Firmware

Samsung Galaxy S21+ 5G G996NKSS6GXGJ is an Android 14 firmware for South Korea (KOO, KTC, LUC, SKC). It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build G996NKSS6GXG2: security patch 2024-08-01 instead of 2024-07-01. A newer build for SM-G996N is available: G996NKSSCHZA9.

OS updates guaranteed until: Android 15Security updates until: Jan 31, 2026
Download firmware
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Android 14
OS Version
2024-08-19
Build Date
2024-08-01
Security patch
1
Countries
4
CSC codes
6
Bootloader binary

Bootloader binary 6. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy S21+ 5G use bootloader binary C (12) (latest: G996NKSSCHZA9). If your device already runs binary C (12), this build cannot be flashed.

All regional downloads

Pick your region (CSC) to download the matching firmware package.

Paste your current build number from Settings > About phone (About tablet) > Software information, or the output of *#1234#.
    MODEM/CP Version: G996NKOS6GXGJ
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-G996N
    KOO, KTC, LUC, SKC South Korea
    		G996NOKR6GXGJ 2024-08-19 7.394 GiB
    SM-G996N_4_20240806125831_jrwjhw1usm_fac.zip
    		Download

    No matching downloads

    How to flash G996NKSS6GXGJ

    • G996NKSS6GXGJ has bootloader binary 6. Your device must run binary 6 or lower: it is the 5th character from the end of your current build number.
    • CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
    • HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
    • The Download Mode key combo depends on the model: see all combos.
    Full flashing guide
    Beware: Manually flashing firmwares may brick your device. Use it at your own risk and follow our tutorial steps.

    Security patch: August 2024

    SMR Aug-2024 fixes 48 vulnerabilities, 2 of them critical. Android Security Bulletin: 34, Samsung Semiconductor: 1, Samsung-specific issues (SVE): 13.

    Most severe Samsung fixes:

    • critical Improper input validation in librtp.so (CVE-2024-34619)
    • high Out-of-bound write in libcodec2secmp4vdec.so (CVE-2024-34612)
    • high Out-of-bound write in libsmat.so (CVE-2024-34614)

    All fixes and Galaxy models with this patch

    Rollout of G996NKSS6GXGJ by region

    Samsung released this build in all regions (4) on the same day, August 19, 2024.

    Device specifications

    • Launched withAndroid 11
    • Display diagonal17 cm (6.7")
    • Display resolution2400 x 1080 pixels
    • Display typeDynamic AMOLED 2X
    • RAM8 GB
    • RAM typeLPDDR5
    • Rear camera resolution12 MP
    • Rear camera typeTriple camera
    • Battery capacity4800 mAh
    • Weight202 g

    Specifications of SM-G996B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    G996NKSS6GXGJ is Android 14 firmware for Samsung Galaxy S21+ 5G, released for South Korea (KOO, KTC, LUC, SKC). It includes the 2024-08-01 security patch. Samsung built it on 2024-08-19.

    SMR Aug-2024 fixes 48 vulnerabilities, 2 of them critical. Android Security Bulletin: 34, Samsung Semiconductor: 1, Samsung-specific issues (SVE): 13.

    No. A newer build for SM-G996N is available: G996NKSSCHZA9. Install it instead of G996NKSS6GXGJ unless you need this exact version. The previous build was G996NKSS6GXG2.

    Download the package for your region (CSC) and unzip it. In Odin, load each file into the slot with the same name: BL, AP, CP (if the package has one) and CSC, or HOME_CSC to keep your data. Odin checks the built-in checksum of every .tar.md5 file before flashing. The download is 7.394 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy S21+ 5G must be on bootloader binary 6 or lower.

    This build uses bootloader binary 6. It can be flashed on a Samsung Galaxy S21+ 5G running binary 6 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 2 other builds of this model use the same binary, so you can switch between them in both directions.

    Other builds and changelog for Samsung Galaxy S21+ 5G

    No changelog details available.
    Model firmware by region