Samsung Galaxy S25 S931USQSACZE1 Firmware
Samsung Galaxy S25 S931USQSACZE1 is an Android 16 firmware for 6 countries, 13 CSC codes. It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build S931USQU9CZDP: bootloader binary raised from 9 to A (10), so after installing it there is no way back to older builds; security patch 2026-05-05 instead of 2026-04-05. A newer build for SM-S931U is available: S931USQSDDZJ1.
Bootloader binary A (10). Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
All regional downloads
Pick your region (CSC) to download the matching firmware package.
No matching downloads
Device specifications
- Launched withAndroid 15
- Display diagonal15.8 cm (6.2")
- Display resolution2340 x 1080 pixels
- RAM12 GB
- Rear camera resolution50 MP
- Rear camera typeTriple camera
- Battery capacity4000 mAh
- Weight162 g
Specifications of SM-S931B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
What's new in S931USQSACZE1
• Security
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.
How to flash S931USQSACZE1
- Install Samsung USB Drivers:Download Official Drivers
- Download Odin Flash Tool:
- S931USQSACZE1 has bootloader binary A (10). Your device must run binary A (10) or lower: it is the 5th character from the end of your current build number.
- CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
- HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
- The Download Mode key combo depends on the model: see all combos.
Frequently Asked Questions
Other builds and changelog for Samsung Galaxy S25
Enhanced Now nudge
Now nudge provides helpful suggestions in more places throughout your Galaxy experience. In addition to the keyboard, suggestions will now appear in conversation notifications and in a floating button in the bottom right corner of the screen. There are also several new types of suggestions, like entering reservation details or addresses and saving places in Google Maps.
Focus on someone important
My FanCam lets you select a person in a video and follow...
• 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.
Show 15 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.
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.
• 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.
See calls on the screen
Call captions show what each person says on the screen in real time during calls. Follow the conversation on your screen to make sure you don’t miss anything.
Create unique pet portraits
Bring out your pet's personality with Portrait studio. You can now apply portrait effects to pictures of dogs and cats in addition to people. Choose from styles like Fisheye lens, oil painting, and more.
Clean up sound
Use Audio eraser to automatica...
• 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.
The device is protected with improved security.
These changes may vary depending on the model, country, or network operator of the customer environment.