Samsung Galaxy Z Flip6 F741NKSS2BYGB

Samsung Galaxy Z Flip6 F741NKSS2BYGB Firmware

Samsung Galaxy Z Flip6 F741NKSS2BYGB is an Android 15 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 F741NKSS2BYFC https://samfirm.shop/build/F741NKSS2BYFC, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-F741N is available: F741NKSS4EZJ1 https://samfirm.shop/build/F741NKSS4EZJ1.

OS updates guaranteed until: Android 21. Security updates until: Jul 1, 2031
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8.9/10 (246)5,914 times
Android 15
OS Version
2025-08-11
Build Date
1
Countries
4
CSC codes
2
Bootloader binary

Bootloader binary 2. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy Z Flip6 use bootloader binary 4 (latest: F741NKSS4EZJ1 https://samfirm.shop/build/F741NKSS4EZJ1). If your device already runs binary 4, 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: F741NKSU2BYCG
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-F741N
    KOO, KTC, LUC, SKC South Korea
    F741NOKR2BYGB 2025-08-11 12.082 GiB
    SM-F741N_2_20250730083721_c1lbsfyay1_fac.zip
    Download

    No matching downloads

    How to flash F741NKSS2BYGB

    • F741NKSS2BYGB has bootloader binary 2. Your device must run binary 2 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 F741NKSS2BYGB by region

    Samsung released this build in all regions (4) on the same day, August 11, 2025.

    Device specifications

    • Launched withAndroid 14
    • Display diagonal17 cm (6.7")
    • Display resolution2640 x 1080 pixels
    • RAM12 GB
    • Rear camera resolution50 MP
    • Rear camera typeDual camera
    • Battery capacity4000 mAh
    • Weight187 g

    Specifications of SM-F741B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    F741NKSS2BYGB is Android 15 firmware for Samsung Galaxy Z Flip6, released for South Korea (KOO, KTC, LUC, SKC). Samsung built it on 2025-08-11.

    No. A newer build for SM-F741N is available: F741NKSS4EZJ1. Install it instead of F741NKSS2BYGB unless you need this exact version. The previous build was F741NKSS2BYFC.

    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 12.082 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Z Flip6 must be on bootloader binary 2 or lower.

    This build uses bootloader binary 2. It can be flashed on a Samsung Galaxy Z Flip6 running binary 2 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 13 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 Flip6

    https://samfirm.shop/build/F741NKSS4EZJ1
    No changelog details available.