
Samsung Galaxy A16 5G
The latest firmware for Samsung Galaxy A16 5G (SM-A166B) is A166BXXSADZH1 with Android 16, released on September 7, 2026 for 15 regions (CSC). Every official firmware build for SM-A166B, newest first: one row per build with all regions (CSC) that received it.
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/A166BXXSADZH1
SM-A166B started on Android 14 and has received 2 major Android upgrades; it now runs Android 16. The newest build, A166BXXSADZH1, was released on September 7, 2026 with the August 2026 security patch. Over the last 12 months SM-A166B received 8 builds, spread over 8 different months. Samsung guarantees security updates for this model until October 25, 2032.
• Security
The device is protected with improved security.
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.
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.
• Security
The device is protected with improved security.
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.
• Security
The device is protected with improved security.
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.
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.
• The usability of device operations has been improved.
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...
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
• Security
The device is protected with improved security.
• Security
The device is protected with improved security.
• Security
The device is protected with improved security.
• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.
• Security
The device is protected with improved security.
Box codes of SM-A166B for different colors and markets. Firmware is chosen by the model code SM-A166B and your region (CSC), not by the SKU.

SM-A185G

SM-A185F

SM-A077F

SM-A085F

SM-A085M

SM-A276B

SM-A576U

SM-A566U
The newest firmware for SM-A166B runs Android 16: build A166BXXSADZH1, released on September 7, 2026.
The latest build for SM-A166B, A166BXXSADZH1, was released on September 7, 2026 (1 month ago).
Over the last 12 months SM-A166B received 8 builds, with at least one new build in 8 different months.
Yes, all firmware files for SM-A166B are 100% official, original, and obtained directly from Samsung servers.
To flash SM-A166B, 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.
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-A166B.