Download Samsung Firmware SM-A166M
Samsung Galaxy A16 5G
The latest firmware for Samsung Galaxy A16 5G (SM-A166M) is A166MUBSADZJA with Android 16, released on October 14, 2026 for 10 regions (CSC). Every official firmware build for SM-A166M, newest first: one row per build with all regions (CSC) that received it.
- Builds
- 22 builds
- Regions (CSC)
- 37 regions
Firmware builds for SM-A166M
- CDRCOMIUSMXOTCETMM+4
- 36 regions
- 36 regions
- 36 regions
- 36 regions
- CDRCOMIUSMXOTCETMM+4
- 36 regions
- 36 regions
- 36 regions
- CDRCOMIUSMXOTCETMM+4
- 35 regions
- 36 regions
- CDRCOMIUSMXOTCETMM
- 36 regions
- 37 regions
- 37 regions
- 28 regions
- 37 regions
- 36 regions
- CHECHLCHOCHTCHXUPO
- CGUUPO
- UPO
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/A166MUBSADZJA
SM-A166M update history
SM-A166M started on Android 14 and has received 2 major Android upgrades; it now runs Android 16. The newest build, A166MUBSADZJA, was released on October 14, 2026 with the October 2026 security patch. Over the last 12 months SM-A166M received 11 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 25, 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.
• 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.
Show 17 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.
• 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.
· 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.
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.
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.
• 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.
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.
• The security of your device has been improved.
• 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.
• The security of your device has been improved.
Similar Models
- https://samfirm.shop/model/SM-A185G
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SM-A185G
- https://samfirm.shop/model/SM-A185F
Galaxy A18
SM-A185F
- https://samfirm.shop/model/SM-A077F
Galaxy A07s
SM-A077F
- https://samfirm.shop/model/SM-A085F
Galaxy A08
SM-A085F
- https://samfirm.shop/model/SM-A085M
Galaxy A08
SM-A085M
- https://samfirm.shop/model/SM-A276B
Samsung Galaxy A27 5G
SM-A276B
- https://samfirm.shop/model/SM-A576U
Samsung Galaxy A57 5G
SM-A576U
- https://samfirm.shop/model/SM-A566U
Samsung Galaxy A56 5G
SM-A566U
Frequently Asked Questions
What is the latest Android version for SM-A166M?
The newest firmware for SM-A166M runs Android 16: build A166MUBSADZJA, released on October 14, 2026.
When did SM-A166M get its last update?
The latest build for SM-A166M, A166MUBSADZJA, was released on October 14, 2026 (11 days ago).
How often does SM-A166M get updates?
Over the last 12 months SM-A166M received 11 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.