Galaxy A36 5G

Samsung Galaxy A36 5G SM-A366Q firmware

The latest firmware for Samsung Galaxy A36 5G (SM-A366Q) is A366QOPS1CZH2 with Android 16, released on September 15, 2026 for 1 region (CSC). Every official firmware build for SM-A366Q, newest first: one row per build with all regions (CSC) that received it.

Latest build
A366QOPS1CZH2 Android 16 · 2 months ago
Builds
9 builds
Regions (CSC)
1 region

Firmware builds for SM-A366Q

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/A366QOPS1CZH2

SM-A366Q update history

SM-A366Q started on Android 15 and has received 1 major Android upgrade; it now runs Android 16. The newest build, A366QOPS1CZH2, was released on September 15, 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-A366Q received 7 builds, spread over 7 different months. Samsung guarantees security updates for this model until March 15, 2031.

Device specifications

Launched with
Android 15
Display diagonal
17 cm (6.7")
Display resolution
1080 x 2340 pixels
RAM
6 GB
Rear camera resolution
50 MP
Rear camera type
Triple camera
Battery capacity
5000 mAh
Weight
195 g

Specifications of SM-A366B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

Changelog for SM-A366Q

• 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...

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

New firmware for other devices

All latest builds

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-A366Q?

The newest firmware for SM-A366Q runs Android 16: build A366QOPS1CZH2, released on September 15, 2026.

When did SM-A366Q get its last update?

The latest build for SM-A366Q, A366QOPS1CZH2, was released on September 15, 2026 (2 months ago).

How often does SM-A366Q get updates?

Over the last 12 months SM-A366Q received 7 builds, with at least one new build in 7 different months.

Is the firmware for SM-A366Q official?

Yes, all firmware files for SM-A366Q are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-A366Q using Odin?

To flash SM-A366Q, 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-A366Q?

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-A366Q.

Is this the stock ROM or flash file for SM-A366Q?

Yes. Every build on this page is the official stock ROM for SM-A366Q 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-A366Q?

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.