Samsung Galaxy Z Fold5 F946NKSS6FZB2

Samsung Galaxy Z Fold5 F946NKSS6FZB2 Firmware

Samsung Galaxy Z Fold5 F946NKSS6FZB2 is an Android 16 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 F946NKSS5FZA1 https://samfirm.shop/build/F946NKSS5FZA1: bootloader binary raised from 5 to 6, so after installing it there is no way back to older builds. A newer build for SM-F946N is available: F946NTBU6HZIK https://samfirm.shop/build/F946NTBU6HZIK.

OS updates guaranteed until: Android 17. Security updates until: Jul 27, 2028
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Android 16
OS Version
2026-02-26
Build Date
1
Countries
4
CSC codes
6
Bootloader binary

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

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: F946NKSS6FZB1
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-F946N
    KOO, KTC, LUC, SKC South Korea
    F946NOKR6FZB2 2026-02-26 10.444 GiB
    SM-F946N_4_20260214151730_yxwxycf9gs_fac.zip

    No matching downloads

    How to flash F946NKSS6FZB2

    • F946NKSS6FZB2 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.

    Rollout of F946NKSS6FZB2 by region

    Samsung released this build in all regions (4) on the same day, February 26, 2026.

    Device specifications

    • Launched withAndroid 13
    • Display diagonal19.3 cm (7.6")
    • Display resolution2176 x 1812 pixels
    • RAM12 GB
    • Rear camera resolution50 MP
    • Rear camera typeTriple camera
    • Battery capacity4400 mAh
    • Weight253 g

    Specifications of SM-F946B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    F946NKSS6FZB2 is Android 16 firmware for Samsung Galaxy Z Fold5, released for South Korea (KOO, KTC, LUC, SKC). Samsung built it on 2026-02-26.

    No. A newer build for SM-F946N is available: F946NTBU6HZIK. Install it instead of F946NKSS6FZB2 unless you need this exact version. The previous build was F946NKSS5FZA1.

    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 10.444 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Z Fold5 must be on bootloader binary 6 or lower.

    This build uses bootloader binary 6. It can be flashed on a Samsung Galaxy Z Fold5 running binary 6 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 14 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 Z Fold5

    https://samfirm.shop/build/F946NTBU6HZIK
    No changelog details available.