Samsung Galaxy Tab Active3 T577UUEU3BUI1
SM-T577U 1 country Android 11

Samsung Galaxy Tab Active3 T577UUEU3BUI1 Firmware

Samsung Galaxy Tab Active3 T577UUEU3BUI1 is an Android 11 firmware for United States (ATT, TMB, VZW, XAA). 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 T577UUEU3BUF6: security patch 2021-07-01 instead of 2021-06-01. A newer build for SM-T577U is available: T577UUESFEYI1.

OS updates guaranteed until: Android 13Security updates until: Oct 23, 2025
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Android 11
OS Version
2021-09-28
Build Date
2021-07-01
Security patch
1
Countries
4
CSC codes
3
Bootloader binary

Bootloader binary 3. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy Tab Active3 use bootloader binary F (15) (latest: T577UUESFEYI1). If your device already runs binary F (15), 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: T577UUEU3BUI1
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-T577U
    ATT, TMB, VZW, XAA United States
    		T577UOYM3BUI1 2021-09-28 4.033 GiB
    SM-T577U_1_20210909180604_rpsnvn0s6c_fac.zip

    No matching downloads

    Device specifications

    • Launched withAndroid 10
    • 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)
    • Weight427 g

    Specifications of SM-T577UZKDN14, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    What's new in T577UUEU3BUI1

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    How to flash T577UUEU3BUI1

    • T577UUEU3BUI1 has bootloader binary 3. Your device must run binary 3 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.

    Frequently Asked Questions

    T577UUEU3BUI1 is Android 11 firmware for Samsung Galaxy Tab Active3, released for United States (ATT, TMB, VZW, XAA). It includes the 2021-07-01 security patch. Samsung built it on 2021-09-28.

    No. A newer build for SM-T577U is available: T577UUESFEYI1. Install it instead of T577UUEU3BUI1 unless you need this exact version. The previous build was T577UUEU3BUF6.

    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 4.033 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Tab Active3 must be on bootloader binary 3 or lower.

    This build uses bootloader binary 3. It can be flashed on a Samsung Galaxy Tab Active3 running binary 3 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 20 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 Active3

    • 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
    The device is protected with improved security.

    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.

    • Security
    The device is protected with improved security.

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

    • The security of your device has been improved.

    Show 15 older builds

    • The security of your device has been improved.

    • The security of your device has been improved.

    • The security of your device has been improved.

    • The security of your device has been improved.

    • The security of your device has been improved.

    · The security of your device has been improved.

    · The security of your device has been improved.

    · The security of your device has been improved.

    • The security of your device has been improved.

    • The security of your device has been improved.

    • The security of your device has been improved.

    · The security of your device has been improved.

    • The security of your device has been improved.

    • The security of your device has been improved.

    • The security of your device has been improved.

    Model firmware by region