Galaxy A16 5G

Download Samsung Firmware SM-A166M

Samsung Galaxy A16 5G

The latest firmware for Samsung Galaxy A16 5G (SM-A166M) is A166MUBUAEZJ5 with Android 17, released on October 9, 2026 for 1 region (CSC). Every official firmware build for SM-A166M, newest first: one row per build with all regions (CSC) that received it.

Latest build
A166MUBUAEZJ5 Android 17 · 18 days ago
Builds
23 builds
Regions (CSC)
37 regions

Firmware builds for SM-A166M

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/A166MUBUAEZJ5

SM-A166M update history

SM-A166M 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 October 9, 2026. The newest build, A166MUBUAEZJ5, was released on October 9, 2026. Over the last 12 months SM-A166M received 12 builds, with a new build in 10 of those months, in line with Samsung's monthly security updates. Builds of this model reach 37 regions (CSC); TPA (Panama) usually gets a new build first (67% of recent builds). Samsung guarantees security updates for this model until October 27, 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-A166M

• 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.

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

• 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 11 older builds
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...

• 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.

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

• The security of your device has been improved.

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-A166M?

The newest firmware for SM-A166M runs Android 17: build A166MUBUAEZJ5, released on October 9, 2026.

When did SM-A166M get its last update?

The latest build for SM-A166M, A166MUBUAEZJ5, was released on October 9, 2026 (18 days ago).

How often does SM-A166M get updates?

Over the last 12 months SM-A166M received 12 builds, with at least one new build in 10 different months.

Is the firmware for SM-A166M official?

Yes, all firmware files for SM-A166M are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-A166M using Odin?

To flash SM-A166M, 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-A166M?

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-A166M.