Galaxy Tab Active4 Pro 5G

Download Samsung Firmware SM-T638U

Samsung Galaxy Tab Active4 Pro 5G

The latest firmware for Samsung Galaxy Tab Active4 Pro 5G (SM-T638U) is T638UVLSBEZH5 with Android 15, released on October 9, 2026 for 6 regions (CSC). Every official firmware build for SM-T638U, newest first: one row per build with all regions (CSC) that received it.

Latest build
T638UVLSBEZH5 https://samfirm.shop/build/T638UVLSBEZH5 Android 15 · 2 months ago
Builds
47 builds
Regions (CSC)
10 regions

Firmware builds for SM-T638U

Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/T638UVLSBEZH5

SM-T638U update history

SM-T638U started on Android 12 and has received 3 major Android upgrades; it now runs Android 15. The newest build, T638UVLSBEZH5, was released on October 9, 2026 with the August 2026 security patch. That patch (SMR Aug-2026) fixes 54 vulnerabilities, 8 of them critical. Over the last 12 months SM-T638U received 8 builds, spread over 6 different months. Samsung guarantees security updates for this model until September 26, 2027.

Changelog for SM-T638U

https://samfirm.shop/build/T638UVLSBEZH5

• Security
The device is protected with improved security.

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

https://samfirm.shop/build/T638UUEU8EYE8
One UI 7.0 Upgrade (Android 15)
Bold new look

Visual enhancements
Enjoy a more sophisticated and unique look. One UI 7 introduces a stunning redesign to key components including buttons, menus, notifications and control bars, providing a more consistent visual experience with curves and circles. Beautiful new colors, soft animations, and an innovative blur effect that's unique to One UI make information hierarchy clearer and help you focus on important information.

Reimagined Home screen
Fr...

• Security
The device is protected with improved security.

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

https://samfirm.shop/build/T638UVLS8DYB1

· The security of your device has been improved.

• Overall stability of your device has been improved.
• The security of your device has been improved.

Show 12 older builds

• Auto Blocker
After the update, when “Auto Blocker” is on with “Maximum restrictions”, USB devices will not be allowed to connect to this device except charging.
• Security
The device is protected with improved security.

https://samfirm.shop/build/T638UVLS7DXJ2

• The security of your device has been improved.

· The security of your device has been improved.

• The security of your device has been improved.

https://samfirm.shop/build/T638UVLU6DXE3
One UI 6.1 Upgrade
Customize your Galaxy

New wallpaper editing features
Decorate your wallpaper however you like. When you select an image to use as your wallpaper, you can now apply frames and effects.

Customize alarm alerts
Use an image, video, or AR emoji to create your own custom alert screens for each alarm. You can even change the layout of where the alarm information appears on the screen.

More stickers to personalize your calendar
You can now add up to 2 stickers for each date on y...

https://samfirm.shop/build/T638UVLS5DXE2

• The security of your device has been improved.

One UI 6.0 Upgrade (Android 14)
Quick panel

New button layout
The quick panel has a new layout that makes it easier to access the features you use most. Wi-Fi and Bluetooth now have their own dedicated buttons at the top of the screen, while visual features, like Dark mode and Eye comfort shield have been moved to the bottom. Other quick settings buttons appear in a customizable area in the middle.

Instantly access the full quick panel
By default, a compact quick panel with notifications ap...

• Security
The device is protected with improved security.

One UI 6.0 Upgrade (Android 14)
Quick panel

New button layout
The quick panel has a new layout that makes it easier to access the features you use most. Wi-Fi and Bluetooth now have their own dedicated buttons at the top of the screen, while visual features, like Dark mode and Eye comfort shield have been moved to the bottom. Other quick settings buttons appear in a customizable area in the middle.

Instantly access the full quick panel
By default, a compact quick panel with notifications ap...

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Frequently Asked Questions

What is the latest Android version for SM-T638U?

The newest firmware for SM-T638U runs Android 15: build T638UVLSBEZH5, released on October 9, 2026.

When did SM-T638U get its last update?

The latest build for SM-T638U, T638UVLSBEZH5, was released on October 9, 2026 (17 days ago).

How often does SM-T638U get updates?

Over the last 12 months SM-T638U received 8 builds, with at least one new build in 6 different months.

Is the firmware for SM-T638U official?

Yes, all firmware files for SM-T638U are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-T638U using Odin?

To flash SM-T638U, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.

Can I downgrade the Android version on SM-T638U?

Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing SM-T638U.