Galaxy A16 5G

Samsung Galaxy A16 5G SM-A166W firmware

The latest firmware for Samsung Galaxy A16 5G (SM-A166W) is A166WVLUAEZJ8 with Android 17, released on November 3, 2026 for 15 regions (CSC). Every official firmware build for SM-A166W, newest first: one row per build with all regions (CSC) that received it.

Latest build
A166WVLUAEZJ8 Android 17 · 28 days ago
Builds
14 builds
Regions (CSC)
15 regions

Firmware builds for SM-A166W

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/A166WVLUAEZJ8

SM-A166W update history

SM-A166W started on Android 14 and has received 3 major Android upgrades; it now runs Android 17. The upgrade to Android 17 started rolling out on November 3, 2026. The newest build, A166WVLUAEZJ8, was released on November 3, 2026 with the October 2026 security patch. That patch (SMR Oct-2026) fixes 62 vulnerabilities, 9 of them critical. Over the last 12 months SM-A166W received 8 builds, spread over 8 different months. Samsung guarantees security updates for this model until October 13, 2032.

Device specifications

Display diagonal
17 cm (6.7")
Display resolution
1080 x 2340 pixels
RAM
8 GB
Rear camera resolution
50 MP
Rear camera type
Triple camera
Battery capacity
5000 mAh
Weight
200 g

Specifications of SM-A166B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

Changelog for SM-A166W

One UI 9
Productivity and multitasking

More customizable quick panel
You can now rearrange and customize the controls in your quick panel even more than before. You can change the size of the brightness and volume sliders as well as the media player. You can also separate the sound mode button from the volume slider.

Privacy, security, and device protection

Warranty and care
The new Warranty and care menu in settings lets you check your warranty information and access diagnostic checks a...

• 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...

Show 4 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.

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...

• The security of your device has been improved.

New firmware for other devices

All latest builds

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-A166W?

The newest firmware for SM-A166W runs Android 17: build A166WVLUAEZJ8, released on November 3, 2026.

When did SM-A166W get its last update?

The latest build for SM-A166W, A166WVLUAEZJ8, was released on November 3, 2026 (11 days ago).

How often does SM-A166W get updates?

Over the last 12 months SM-A166W received 8 builds, with at least one new build in 8 different months.

Is the firmware for SM-A166W official?

Yes, all firmware files for SM-A166W are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-A166W using Odin?

To flash SM-A166W, 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-A166W?

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-A166W.

Is this the stock ROM or flash file for SM-A166W?

Yes. Every build on this page is the official stock ROM for SM-A166W from Samsung's update server, the same package other sites call the flash file or the software update. It installs with Odin on a Windows PC.

Does flashing firmware remove the FRP lock on SM-A166W?

No. Factory Reset Protection is tied to the Google account that was on the phone and survives a firmware flash. Sign in with that account or use the legal options in our FRP guide.