Samsung Galaxy A36 5G A366EXXS7BZA1
SM-A366E 19 countries Android 16

Samsung Galaxy A36 5G A366EXXS7BZA1 Firmware

Samsung Galaxy A36 5G A366EXXS7BZA1 is an Android 16 firmware for 19 countries, 48 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 A366EXXS6BYL1: bootloader binary raised from 6 to 7, so after installing it there is no way back to older builds; security patch 2026-01-01 instead of 2025-12-01. A newer build for SM-A366E is available: A366EXXUCDZIF.

OS updates guaranteed until: Android 21Security updates until: Mar 30, 2031
Download firmware
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Android 16
OS Version
2026-01-22
First release
other regions until 2026-02-10
2026-01-01
Security patch
19
Countries
48
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 A36 5G use bootloader binary C (12) (latest: A366EXXUCDZIF). If your device already runs binary C (12), 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.
    3
    MODEM/CP Version: A366EXXS7BZA1
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-A366E
    ARO, CTI, PSN, PSP, UFN Argentina
    BVO Bolivia
    CDR Dominican Republic
    CTP, TGP Paraguay
    +5 more countries
    CTU, UFU, UPO, UYO Uruguay
    GTO Guatemala
    IUS, MXO, TCE, TMM Mexico
    TPA Panama
    ZTA, ZTM, ZTO, ZVV Brazil
    		A366EOWO7BZA1 2026-02-10 2026-01-29 10.127 GiB
    SM-A366E_2_20260110140611_mbe7vsgoby_fac.zip
    		Download
    SM-A366E
    CAC Uzbekistan
    CAU, SKZ Kazakhstan
    SER Russia
    SOZ
    		A366EOXE7BZA1 2026-01-22 2026-01-22 9.94 GiB
    SM-A366E_2_20260108154351_z8e7knhnui_fac.zip
    		Download
    SM-A366E
    CGU, PGU Guatemala
    CHE, CHL, CHO, CHT, CRC Chile
    COB, COL, COM, COO Colombia
    DOR Dominican Republic
    +4 more countries
    EBE, ECO Ecuador
    EON Trinidad & Tobago
    PEO, PET, PNT, SAM Peru
    GLO
    		A366EOWB7BZA1 2026-01-30 2026-01-30 9.949 GiB
    SM-A366E_2_20260110141000_6kf99v6m5r_fac.zip
    		Download

    No matching downloads

    How to flash A366EXXS7BZA1

    • A366EXXS7BZA1 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.

    What's new in A366EXXS7BZA1

    • 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: January 2026

    SMR Jan-2026 fixes 32 vulnerabilities, 2 of them critical. Android Security Bulletin: 21, Samsung Semiconductor: 4, Samsung-specific issues (SVE): 7.

    Most severe Samsung fixes:

    • high Improper input validation in SecSettings prior to SMR Jan-2026 Release 1 allows local attacker to access file with system privilege. User interaction is required for triggering this vulnerability. (CVE-2026-20969)
    • high Use After Free in PROCA driver prior to SMR Jan-2026 Release 1 allows local attackers to potentially execute arbitrary code. (CVE-2026-20971)
    • high Out-of-bounds read in libimagecodec.quram.so prior to SMR Jan-2026 Release 1 allows remote attacker to access out-of-bounds memory. (CVE-2026-20973)

    All fixes and Galaxy models with this patch

    Rollout of A366EXXS7BZA1 by region

    First release
    January 22, 2026
    Last region
    February 10, 2026
    Duration
    20 days
    Regions
    48
    1. Day 1 · · 5 regions
      KazakhstanCAUSKZRussiaSERUzbekistanCACSOZ
    2. Day 8 · · 19 regions
      ArgentinaAROCTIPSNPSPUFNBoliviaBVOBrazilZTAZTMZTOZVVDominican RepublicCDRGuatemalaGTOPanamaTPAParaguayCTPTGPUruguayCTUUFUUPOUYO
    3. Day 9 · · 20 regions
      ChileCHECHLCHOCHTCRCColombiaCOBCOLCOMCOODominican RepublicDOREcuadorEBEECOGuatemalaCGUPGUPeruPEOPETPNTSAMTrinidad & TobagoEONGLO
    4. Day 20 · · 4 regions
      MexicoIUSMXOTCETMM

    Device specifications

    • Launched withAndroid 15
    • Display diagonal17 cm (6.7")
    • Display resolution1080 x 2340 pixels
    • RAM6 GB
    • Rear camera resolution50 MP
    • Rear camera typeTriple camera
    • Battery capacity5000 mAh
    • Weight195 g

    Specifications of SM-A366B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    A366EXXS7BZA1 is Android 16 firmware for Samsung Galaxy A36 5G, released for 19 countries, 48 CSC codes. It includes the 2026-01-01 security patch. Samsung built it on 2026-01-22.

    SMR Jan-2026 fixes 32 vulnerabilities, 2 of them critical. Android Security Bulletin: 21, Samsung Semiconductor: 4, Samsung-specific issues (SVE): 7.

    No. A newer build for SM-A366E is available: A366EXXUCDZIF. Install it instead of A366EXXS7BZA1 unless you need this exact version. The previous build was A366EXXS6BYL1.

    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 A36 5G must be on bootloader binary 7 or lower.

    This build uses bootloader binary 7. It can be flashed on a Samsung Galaxy A36 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 A36 5G

    One UI 9
    Productivity and multitasking

    More customizable quick panel
    You can now rearrange and customize the controls in your quick panel even more than before. You can change the size of the brightness and volume sliders as well as the media player. You can also separate the sound mode button from the volume slider.

    Privacy, security, and device protection

    Warranty and care
    The new Warranty and care menu in settings lets you check your warranty information and access diagnostic checks a...

    • 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