SM-T577U 1 country Android 10

Samsung Galaxy Tab Active3 T577UUEU2ATL4 Firmware

Name: Samsung Galaxy Tab Active3 (SM-T577U)
Brand: Samsung
Availability: InStock

Samsung Galaxy Tab Active3 T577UUEU2ATL4 is an Android 10 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. A newer build for SM-T577U is available: T577UUESFEYI1 https://samfirm.shop/build/T577UUESFEYI1.

OS updates guaranteed until: Android 13Security updates until: Oct 27, 2025

Download firmware 8.9/10 (466)17,776 times

Android 10

OS Version

2021-02-08

Build Date

2021-01-01

Security patch

Countries

CSC codes

Bootloader binary

Bootloader binary 2. 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.

Will it work on my device?

Paste your current build number from Settings > About phone (About tablet) > Software information, or the output of *#1234#.

MODEM/CP Version: T577UUEU2ATL4

Model	Region	CSC Version	Release date	Size	File name	Download
SM-T577U	ATT, TMB, VZW, XAA United States	T577UOYM2ATL4	2021-02-08	3.747 GiB	SM-T577U_1_20210119181334_h96mxz2l3o_fac.zip

How to flash T577UUEU2ATL4

T577UUEU2ATL4 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 T577UUEU2ATL4

• Bluetooth connectivity and stability has been improved
• The security of your device has been improved.

Rollout of T577UUEU2ATL4 by region

Samsung released this build in all regions (4) on the same day, February 8, 2021.

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

T577UUEU2ATL4 is Android 10 firmware for Samsung Galaxy Tab Active3, released for United States (ATT, TMB, VZW, XAA). It includes the 2021-01-01 security patch. Samsung built it on 2021-02-08.

No. A newer build for SM-T577U is available: T577UUESFEYI1. Install it instead of T577UUEU2ATL4 unless you need this exact version.

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 3.747 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Tab Active3 must be on bootloader binary 2 or lower.

This build uses bootloader binary 2. It can be flashed on a Samsung Galaxy Tab Active3 running binary 2 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.