Samsung Galaxy S24 FE S721BXXSACZB2 Firmware
Samsung Galaxy S24 FE S721BXXSACZB2 is an Android 16 firmware for 55 countries, 103 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 S721BXXS9CZA2: bootloader binary raised from 9 to A (10), so after installing it there is no way back to older builds; security patch 2026-02-05 instead of 2026-01-01. A newer build for SM-S721B is available: S721BXXUEEZIF.
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 14
- Display diagonal17 cm (6.7")
- Display resolution1080 x 2340 pixels
- Processor frequency2.9 GHz
- Processor familySamsung Exynos
- Processor model2400
- RAM8 GB
- Rear camera resolution50 MP
- Rear camera typeTriple camera
- SIM cardsDual SIM
- Battery capacity4700 mAh
- Weight213 g
What's new in S721BXXSACZB2
• 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 S721BXXSACZB2
- Install Samsung USB Drivers:Download Official Drivers
- Download Odin Flash Tool:
- S721BXXSACZB2 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 S24 FE
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 addresses or saving places in Google Maps.
Focus on someone important
My FanCam lets you select a person in a video and follow them automatically while cropping...
• 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.
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.
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.
• 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.