Galaxy A26 5G

Download Samsung Firmware SM-S266V

Samsung Galaxy A26 5G

The latest firmware for Samsung Galaxy A26 5G (SM-S266V) is S266VUDSACZH3 with Android 16, released on September 9, 2026 for 2 regions (CSC). Every official firmware build for SM-S266V, newest first: one row per build with all regions (CSC) that received it.

Latest build
S266VUDSACZH3 Android 16 · 1 month ago
Builds
11 builds
Regions (CSC)
2 regions

Firmware builds for SM-S266V

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/S266VUDSACZH3

SM-S266V update history

SM-S266V started on Android 15 and has received 1 major Android upgrade; it now runs Android 16. The newest build, S266VUDSACZH3, was released on September 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-S266V received 7 builds, spread over 6 different months. Samsung guarantees security updates for this model until March 26, 2031.

Changelog for SM-S266V

• 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)
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 receive files. Tap the Quick Share button in quick settings to get started. You can receive files while the Quick Share screen is open and send files to others directly from Quick Share.

Sticky notes
Add quick annotations on top o...

• 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 2 older builds

• Press and hold the Side button to access Google Gemini
The Side button is a new way to access Google Gemini or other digital assistant app quickly instead of using the corner swipe. You can change what the Side button does in Settings.
• Complete multiple tasks with one ask
Google Gemini is now seamlessly integrated with Samsung apps such as Calendar, Notes, Reminder, and Clock. You can complete tasks in these apps using information from Gemini with one simple command. Try asking Google Gemini...

• Security
The device is protected with improved security.

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-S266V?

The newest firmware for SM-S266V runs Android 16: build S266VUDSACZH3, released on September 9, 2026.

When did SM-S266V get its last update?

The latest build for SM-S266V, S266VUDSACZH3, was released on September 9, 2026 (1 month ago).

How often does SM-S266V get updates?

Over the last 12 months SM-S266V received 7 builds, with at least one new build in 6 different months.

Is the firmware for SM-S266V official?

Yes, all firmware files for SM-S266V are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-S266V using Odin?

To flash SM-S266V, 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-S266V?

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-S266V.