Samsung Galaxy Tab Active5 5G X306NKOS7BYI5
SM-X306N 1 country Android 15

Samsung Galaxy Tab Active5 5G X306NKOS7BYI5 Firmware

Samsung Galaxy Tab Active5 5G X306NKOS7BYI5 is an Android 15 firmware for South Korea (KOO). It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. A newer build for SM-X306N is available: X306NKOSEDZI1.

OS updates guaranteed until: Android 22Security updates until: Jan 27, 2032
Download firmware
9.2/10 (28)92 times
Android 15
OS Version
2025-10-01
Build Date
n/a
Security patch
1
Countries
1
CSC codes
7
Bootloader binary

Bootloader binary 7. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy Tab Active5 5G use bootloader binary E (14) (latest: X306NKOSEDZI1). If your device already runs binary E (14), 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: X306NKOS7BYI5
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-X306N
    KOO South Korea
    		X306NKOO7BYI5 2025-10-13 6.739 GiB
    SM-X306N_2_20251001172611_5844ucouh6_fac.zip

    No matching downloads

    How to flash X306NKOS7BYI5

    • X306NKOS7BYI5 has bootloader binary 7. Your device must run binary 7 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.

    Device specifications

    • Launched withAndroid 14
    • Display diagonal20.3 cm (8")
    • Display resolution1920 x 1200 pixels
    • Rear camera resolution13 MP
    • Rear camera typeSingle camera
    • Front camera resolution5 MP
    • Wi-Fi standardWi-Fi 6 (802.11ax)
    • Weight433 g

    Specifications of SM-X306B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    X306NKOS7BYI5 is Android 15 firmware for Samsung Galaxy Tab Active5 5G, released for South Korea (KOO). Samsung built it on 2025-10-01.

    No. A newer build for SM-X306N is available: X306NKOSEDZI1. Install it instead of X306NKOS7BYI5 unless you need this exact version.

    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 6.739 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Tab Active5 5G must be on bootloader binary 7 or lower.

    This build uses bootloader binary 7. It can be flashed on a Samsung Galaxy Tab Active5 5G running binary 7 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 1 other build of this model uses the same binary, so you can switch between them in both directions.

    Other builds and changelog for Samsung Galaxy Tab Active5 5G

    No changelog details available.
    Model firmware by region