Download Samsung Firmware SM-X818U

Samsung Galaxy Tab S9+ 5G

The latest firmware for Samsung Galaxy Tab S9+ 5G (SM-X818U) is X818USQS7EZI2 with Android 16, released on September 28, 2026 for 4 regions (CSC). Every official firmware build for SM-X818U, newest first: one row per build with all regions (CSC) that received it.

Latest build
X818USQS7EZI2 Android 16 · 1 month ago
Builds
29 builds
Regions (CSC)
4 regions

Firmware builds for SM-X818U

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/X818USQS7EZI2

SM-X818U update history

SM-X818U started on Android 13 and has received 3 major Android upgrades; it now runs Android 16. The newest build, X818USQS7EZI2, was released on September 28, 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-X818U received 9 builds, spread over 7 different months. Builds of this model reach 4 regions (CSC); ATT (United States) usually gets a new build first (44% of recent builds). Samsung guarantees security updates for this model until June 26, 2028.

Changelog for SM-X818U

• 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)
Galaxy AI

See calls on the screen
Call captions show what each person says on the screen in real time during calls. Follow the conversation on your screen to make sure you don’t miss anything.

Create unique pet portraits
Bring out your pet's personality with Portrait studio. You can now apply portrait effects to pictures of dogs and cats in addition to people. Choose from styles like Fisheye lens, oil painting, and more.

Translate emergency alerts
Never miss importa...

• Security
The device is protected with improved security.

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

Show 17 older builds
One UI 7.0 Upgrade (Android 15)
Galaxy AI

Write like a pro
Let Galaxy AI help you with writing tasks by tapping the 4-star icon that appears whenever you select text. You can correct spelling and grammar, change tone, summarize, or apply formatting. You can even start with a short snippet and let the AI do the writing for you.

Transcribe and summarize recorded calls
It's easier than ever to review the content of your recorded calls in the Samsung Phone app. You can view the entire conversat...

• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.

• Security
The device is protected with improved security.

One UI 6.1.1 Update
Galaxy AI

Turn simple sketches into awesome images
Start with a simple drawing, choose your style, and let Galaxy AI transform it into a captivating work of art. Sketch to image is available in Samsung Notes, Photo Editor, Air command, Smart select, and the Edge panels.

Create unique portraits
With a wide variety of AI-generated portrait styles, you can create a whole new look for your own profile image in Contacts or someone else’s, or use Photo Editor to invent somethi...

• Security
The device is protected with improved security.

One UI 6.1 Upgrade
Galaxy AI

Instantly search for anything on your screen
Circle to Search with Google lets you easily learn more about anything shown on your screen without switching apps. Just touch and hold the Home button or navigation handle, then circle anything on the screen to start a Google search.

Translate in-person conversations
The new Interpreter feature lets you translate a conversation any time you need to talk to someone who speaks another language. You can access Interpret...

• 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.

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

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

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-X818U?

The newest firmware for SM-X818U runs Android 16: build X818USQS7EZI2, released on September 28, 2026.

When did SM-X818U get its last update?

The latest build for SM-X818U, X818USQS7EZI2, was released on September 28, 2026 (28 days ago).

How often does SM-X818U get updates?

Over the last 12 months SM-X818U received 9 builds, with at least one new build in 7 different months.

Is the firmware for SM-X818U official?

Yes, all firmware files for SM-X818U are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-X818U using Odin?

To flash SM-X818U, 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-X818U?

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-X818U.