Galaxy Tab Active5 5G

Download Samsung Firmware SM-X308U

Samsung Galaxy Tab Active5 5G

The latest firmware for Samsung Galaxy Tab Active5 5G (SM-X308U) is X308UUESFDZI1 with Android 16, released on October 1, 2026 for 4 regions (CSC). Every official firmware build for SM-X308U, newest first: one row per build with all regions (CSC) that received it.

Latest build
X308UUESFDZI1 Android 16 · 1 month ago
Builds
36 builds
Regions (CSC)
10 regions

Firmware builds for SM-X308U

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/X308UUESFDZI1

SM-X308U update history

SM-X308U started on Android 14 and has received 2 major Android upgrades; it now runs Android 16. The newest build, X308UUESFDZI1, was released on October 1, 2026 with the September 2026 security patch. That patch (SMR Sep-2026) fixes 80 vulnerabilities, 20 of them critical. Over the last 12 months SM-X308U received 19 builds, with a new build in 11 of those months, in line with Samsung's monthly security updates. Samsung guarantees security updates for this model until January 26, 2032.

Changelog for SM-X308U

• 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.

One UI 8.0 (Android 16)
Personalization

Beautiful new wallpapers
More choices are available to help you find the wallpaper that's right for you. New additions include interactive and dynamic wallpapers like color gradients that change over time.

Productivity

Check stock prices without unlocking
Stocks you follow on Google Finance with big price changes will appear on your Now bar at the end of the trading day.

Easier file sharing with Quick Share
It's never been easier to send and recei...

One UI 8.0 (Android 16)
Personalization

Enhanced Lock screen widgets
Do more on your Lock screen with brief widgets. 2 x 2 size widgets are now available, and the widget area is now larger so you can add even more widgets. You can choose either a horizontal or vertical widget layout.

Productivity

Check stock prices without unlocking
Stocks you follow on Google Finance with big price changes will appear on your Now bar at the end of the trading day.

Easier file sharing with Quick Share
I...

Show 11 older builds

• Security
The device is protected with improved security.

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

• Stability and reliability
Device behavior has been improved.

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.

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...

• Stability and reliability
Device behavior has been improved.

• Security
The device is protected with improved security.

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-X308U?

The newest firmware for SM-X308U runs Android 16: build X308UUESFDZI1, released on October 1, 2026.

When did SM-X308U get its last update?

The latest build for SM-X308U, X308UUESFDZI1, was released on October 1, 2026 (25 days ago).

How often does SM-X308U get updates?

Over the last 12 months SM-X308U received 19 builds, with at least one new build in 11 different months.

Is the firmware for SM-X308U official?

Yes, all firmware files for SM-X308U are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-X308U using Odin?

To flash SM-X308U, 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-X308U?

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-X308U.