Samsung Galaxy Tab A11 LTE X135NKOU1BYK3 Firmware

Samsung Galaxy Tab A11 LTE X135NKOU1BYK3 is an Android 16 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. Compared with the previous build X135NKOU1AYH9 https://samfirm.shop/build/X135NKOU1AYH9: Android updated from Android 15 to Android 16. A newer build for SM-X135N is available: X135NKOS5BZI3 https://samfirm.shop/build/X135NKOS5BZI3.

OS updates guaranteed until: Android 22. Security updates until: Sep 29, 2032
Download firmware
8.8/10 (34)160 times
Android 16
OS Version
2025-11-11
Build Date
1
Countries
1
CSC codes
1
Bootloader binary

Bootloader binary 1. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy Tab A11 LTE use bootloader binary 5 (latest: X135NKOS5BZI3 https://samfirm.shop/build/X135NKOS5BZI3). If your device already runs binary 5, 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: X135NKOU1BYK3
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-X135N
    KOO South Korea
    X135NKOO1BYK3 2025-11-13 5.568 GiB
    SM-X135N_1_20251111094741_dx4r8xyhji_fac.zip

    No matching downloads

    How to flash X135NKOU1BYK3

    • X135NKOU1BYK3 has bootloader binary 1. Your device must run binary 1 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

    • Display diagonal22.1 cm (8.7")
    • Display resolution1340 x 800 pixels
    • Rear camera resolution8 MP
    • Rear camera typeSingle camera
    • Front camera resolution5 MP
    • Wi-Fi standardWi-Fi 5 (802.11ac)
    • Weight337 g

    Specifications of SM-X135F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    X135NKOU1BYK3 is Android 16 firmware for Samsung Galaxy Tab A11 LTE, released for South Korea (KOO). Samsung built it on 2025-11-11.

    No. A newer build for SM-X135N is available: X135NKOS5BZI3. Install it instead of X135NKOU1BYK3 unless you need this exact version. The previous build was X135NKOU1AYH9.

    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 5.568 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Tab A11 LTE must be on bootloader binary 1 or lower.

    This build uses bootloader binary 1. It can be flashed on a Samsung Galaxy Tab A11 LTE running binary 1 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 A11 LTE

    https://samfirm.shop/build/X135NKOS5BZI3
    No changelog details available.