Samsung Galaxy Tab Active3 T577UUESFEYI1
SM-T577U 1 country Android 13

Samsung Galaxy Tab Active3 T577UUESFEYI1 Firmware

Samsung Galaxy Tab Active3 T577UUESFEYI1 is an Android 13 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 T577UVLSFEYI1, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. This is the newest build for SM-T577U.

OS updates guaranteed until: Android 13Security updates until: Oct 30, 2025
Download firmware
9.1/10 (201)5,150 times
Android 13
OS Version
2025-10-30
Build Date
2025-10-01
Security patch
1
Countries
4
CSC codes
F (15)
Bootloader binary

Bootloader binary F (15). Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

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: T577UUESFEYI1
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-T577U
    ATT, TMB, VZW, XAA United States
    		T577UOYMFEYI1 2025-10-30 4.434 GiB
    SM-T577U_4_20251006202911_i3o0qpny8e_fac.zip
    		Download

    No matching downloads

    How to flash T577UUESFEYI1

    • T577UUESFEYI1 has bootloader binary F (15). Your device must run binary F (15) 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 T577UUESFEYI1

    • 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: October 2025

    SMR Oct-2025 fixes 25 vulnerabilities, 0 of them critical. Android Security Bulletin: 13, Samsung-specific issues (SVE): 12.

    Most severe Samsung fixes:

    • high Out-of-bounds write in fingerprint trustlet (CVE-2025-21044)
    • high Improper input validation in Contacts (CVE-2025-21050)
    • high Relative path traversal in Knox Enterprise (CVE-2025-21048)

    All fixes and Galaxy models with this patch

    Rollout of T577UUESFEYI1 by region

    Samsung released this build in all regions (4) on the same day, October 30, 2025.

    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.

    Frequently Asked Questions

    T577UUESFEYI1 is Android 13 firmware for Samsung Galaxy Tab Active3, released for United States (ATT, TMB, VZW, XAA). It includes the 2025-10-01 security patch. Samsung built it on 2025-10-30.

    SMR Oct-2025 fixes 25 vulnerabilities, 0 of them critical. Android Security Bulletin: 13, Samsung-specific issues (SVE): 12.

    Yes. T577UUESFEYI1 is the newest build for SM-T577U on SamFirm. The previous build was T577UVLSFEYI1.

    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 4.434 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Tab Active3 must be on bootloader binary F (15) or lower.

    This build uses bootloader binary F (15). It can be flashed on a Samsung Galaxy Tab Active3 running binary F (15) 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 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.

    • 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.

    Show 3 older builds

    • The security of your device has been improved.

    Model firmware by region