Samsung Galaxy Tab A11 LTE X135GDXS2BYL2
SM-X135G 27 countries Android 16

Samsung Galaxy Tab A11 LTE X135GDXS2BYL2 Firmware

Samsung Galaxy Tab A11 LTE X135GDXS2BYL2 is an Android 16 firmware for 27 countries, 29 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 X135GDXU1BYK6: bootloader binary raised from 1 to 2, so after installing it there is no way back to older builds; security patch 2025-12-01 instead of 2025-10-01. A newer build for SM-X135G is available: X135GDXS5BZI4.

OS updates guaranteed until: Android 22Security updates until: Sep 26, 2032
8.8/10 (26)5,450 times
Android 16
OS Version
2025-12-09
First release
other regions until 2025-12-17
2025-12-01
Security patch
27
Countries
29
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: X135GDXS5BZI4). 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#.
    Your CSC is in Settings → About phone (About tablet) → Software information, or dial *#1234#. The CSC sets your region's features and network bands. Download the firmware for your country.
    5
    MODEM/CP Version: X135GDXS2BYL2
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-X135G
    ACR, KSA Saudi Arabia
    AFG Afghanistan
    AFR, DKR Kenya
    ECT Nigeria
    +5 more countries
    EGY Egypt
    LYS Libya
    MID Iraq
    MWD Morocco
    XSG United Arab Emirates
    		X135GOJM2BYL2 2025-12-09 2025-12-26 5.59 GiB
    SM-X135G_2_20251209195801_zgmrlob51d_fac.zip
    SM-X135G
    ARO Argentina
    BVO Bolivia
    CHO Chile
    COO Colombia
    +5 more countries
    ECO Ecuador
    GTO Guatemala
    MXO Mexico
    PEO Peru
    ZTO Brazil
    		X135GOWO2BYL2 2025-12-13 2025-12-30 5.705 GiB
    SM-X135G_2_20251213031540_11r0aur0xh_fac.zip
    SM-X135G
    BRI Taiwan
    TGY Hong Kong SAR China
    		X135GOZS2BYL2 2025-12-17 2025-12-29 5.582 GiB
    SM-X135G_2_20251217132441_93m6orxso6_fac.zip
    SM-X135G
    THL Thailand
    XEV Vietnam
    XME Malaysia
    XNZ New Zealand
    +2 more countries
    XSP Singapore
    XTC Philippines
    		X135GOLM2BYL2 2025-12-09 2025-12-26 5.652 GiB
    SM-X135G_2_20251209164941_oh28v5r6at_fac.zip
    SM-X135G
    XID Indonesia
    		X135GOLE2BYL2 2025-12-09 2025-12-26 5.598 GiB
    SM-X135G_2_20251209225711_g0awt9qjit_fac.zip

    No matching downloads

    How to flash X135GDXS2BYL2

    • X135GDXS2BYL2 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 X135GDXS2BYL2

    • 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 X135GDXS2BYL2 by region

    First release
    December 26, 2025
    Last region
    December 30, 2025
    Duration
    5 days
    Regions
    29
    1. Day 1 · · 18 regions
      AfghanistanAFGEgyptEGYIndonesiaXIDIraqMIDKenyaAFRDKRLibyaLYSMalaysiaXMEMoroccoMWDNew ZealandXNZNigeriaECTPhilippinesXTCSaudi ArabiaACRKSA
      +4 more countries
      SingaporeXSPThailandTHLUnited Arab EmiratesXSGVietnamXEV
    2. Day 4 · · 2 regions
      Hong Kong SAR ChinaTGYTaiwanBRI
    3. Day 5 · · 9 regions
      ArgentinaAROBoliviaBVOBrazilZTOChileCHOColombiaCOOEcuadorECOGuatemalaGTOMexicoMXOPeruPEO

    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

    X135GDXS2BYL2 is Android 16 firmware for Samsung Galaxy Tab A11 LTE, released for 27 countries, 29 CSC codes. It includes the 2025-12-01 security patch. Samsung built it on 2025-12-09.

    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: X135GDXS5BZI4. Install it instead of X135GDXS2BYL2 unless you need this exact version. The previous build was X135GDXU1BYK6.

    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 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

    • 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.

    One UI 8.5
    Visual design

    Fresh new look
    One UI seamlessly integrates into your daily routine by combining immersive visuals with meaningful personalization for a more refined and sophisticated design. Transparent blur effects add depth and make content easier to navigate, while floating elements react organically to your workflow for a more focused experience. Through familiar and intuitive data visualization, One UI delivers a design that feels both personal and relatable, helping you focus...

    • 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