Samsung Galaxy Tab A11 LTE X135GDXS2BYL5
SM-X135G 4 countries Android 16

Samsung Galaxy Tab A11 LTE X135GDXS2BYL5 Firmware

Samsung Galaxy Tab A11 LTE X135GDXS2BYL5 is an Android 16 firmware for 4 countries, 4 CSC codes. 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 X135GDXS2BYL3, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-X135G is available: X135GDXS5BZJ1.

OS updates guaranteed until: Android 22Security updates until: Sep 27, 2032
Download firmware
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Android 16
OS Version
2025-12-23
Build Date
2025-12-01
Security patch
4
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 Tab A11 LTE use bootloader binary 5 (latest: X135GDXS5BZJ1). 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: X135GDXS2BYL5
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-X135G
    BKD Bangladesh
    INS India
    NPL Nepal
    SLK Sri Lanka
    		X135GODM2BYL5 2025-12-31 5.595 GiB
    SM-X135G_2_20251223005710_ik9qylf5b2_fac.zip

    No matching downloads

    How to flash X135GDXS2BYL5

    • X135GDXS2BYL5 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.

    What's new in X135GDXS2BYL5

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    Security patch: December 2025

    SMR Dec-2025 fixes 65 vulnerabilities, 6 of them critical. Android Security Bulletin: 57, Samsung-specific issues (SVE): 8.

    Most severe Samsung fixes:

    • high Out-of-bounds write in decoding metadata in fingerprint trustlet (CVE-2025-21072)
    • high Out-of-bounds write in libimagecodec.quram.so (CVE-2025-58477)
    • high Out-of-bounds write in libimagecodec.quram.so (CVE-2025-58478)

    All fixes and Galaxy models with this patch

    Rollout of X135GDXS2BYL5 by region

    First release
    December 31, 2025
    Last region
    January 7, 2026
    Duration
    8 days
    Regions
    4
    1. Day 1 · · 1 region
      IndiaINS
    2. Day 8 · · 3 regions
      BangladeshBKDNepalNPLSri LankaSLK

    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

    X135GDXS2BYL5 is Android 16 firmware for Samsung Galaxy Tab A11 LTE, released for 4 countries, 4 CSC codes. It includes the 2025-12-01 security patch. Samsung built it on 2025-12-23.

    SMR Dec-2025 fixes 65 vulnerabilities, 6 of them critical. Android Security Bulletin: 57, Samsung-specific issues (SVE): 8.

    No. A newer build for SM-X135G is available: X135GDXS5BZJ1. Install it instead of X135GDXS2BYL5 unless you need this exact version. The previous build was X135GDXS2BYL3.

    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 5.595 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Tab A11 LTE must be on bootloader binary 2 or lower.

    This build uses bootloader binary 2. It can be flashed on a Samsung Galaxy Tab A11 LTE running binary 2 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 Tab A11 LTE

    No changelog details available.

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    • Stability and reliability
    Device behavior has been improved.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

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    Show 9 older builds

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    Model firmware by region