Samsung Firmware SM-S921U CCT S921USQS4AYB3 S921UOYN4AYB3 S921USQS4AYB3 | EN

⏩ Download the Samsung firmware for the ✅️ Samsung Galaxy S24 ⭐ SM-S921U with product code CCT from United States. This firmware has version number PDA S921USQS4AYB3 and CSC S921UOYN4AYB3. The operating system of this firmware is Android Android , with build date 2025-03-13. Changelist 92862855.

Looking for the latest firmware for your Samsung SM-S921U? 📱 You've come to the right place! We offer a comprehensive and reliable source for all your SM-S921U firmware needs. Download the official and tested firmware updates directly from our site. We pride ourselves on providing a safe and secure download experience. 💯 Don't risk downloading from untrusted sources that may contain malware or corrupted files. Get the peace of mind knowing you're using genuine firmware designed for your SM-S921U. We keep our firmware database constantly updated to ensure you have access to the newest releases, improving performance, security, and stability of your device. Find the right SM-S921U firmware version for your specific region and carrier. Enjoy improved device performance, enhanced security features, and the latest Android updates. Update your Samsung SM-S921U today and experience the difference! Our easy-to-use search and download process makes updating your firmware a breeze. Skip the hassle and get the firmware you need quickly and safely. Protect your device and data by choosing only verified firmware updates from our trusted source. We are dedicated to providing the best SM-S921U firmware download experience. 🚀 Improve your phone's speed, stability and overall user experience by using the correct firmware. Download it now!✅

Referral Program Buy a device or accessories
SM-S921U CCT S921USQS4AYB3 S921UOYN4AYB3
DeviceSamsung Galaxy S24
ModelSM-S921U
Region
CCT (United States)
Multi CSCOYN
PDA/AP Version/Build NumberS921USQS4AYB3
CSC VersionS921UOYN4AYB3
MODEM/CP VersionS921USQS4AYB3
Android VersionU(Android 14)
Changelist92862855
Build Date2025-03-13
Security Patch Level2025-03-01
File nameSM-S921U_1_20250224153220_rlpx6zz4ve_fac.zip

Number of downloads:1135 Reviews

File size:11.044 GiB

Download

1. Download software and drivers

- Download Samsung Firmware S921USQS4AYB3
- Your Samsung device drivers (Download from official Samsung site)
- Software Odin Tool:

Download

2. Flashing firmware step by step:

- Download file and extract zip archive containing your desired firmware.
- Open software Odin Tool.
- Boot your Samsung device in the "Download Mode":
- - Press Volume Down key, Power and Home buttons at same time for 5-8 seconds until download mode is active.
- Connect your Samsung device to PC via the USB cable while in download mode.
- Next, check the "Auto Reboot" and "F. Reset Time" options in software Odin Tool.
- Hit the AP/PDA button then browse and select a tar.md5 file from the extracted firmware folder.
- Finally press the start button to begin flashing process the firmware update on your Samsung device.

3. Watch detailed video

Device boot file

BL_S921USQS4AYB3_S921USQS4AYB3_MQB92862855_REV00_user_low_ship_MULTI_CERT.tar.md5

Device pda code1 file

AP_S921USQS4AYB3_S921USQS4AYB3_MQB92862855_REV00_user_low_ship_MULTI_CERT_meta_OS14.tar.md5

Device phone font file

CP_S921USQS4AYB3_CP29193108_MQB92862855_REV00_user_low_ship_MULTI_CERT.tar.md5

Device csc file

CSC_OYN_S921UOYN4AYB3_MQB92862855_REV00_user_low_ship_MULTI_CERT.tar.md5

Device csc home file

HOME_CSC_OYN_S921UOYN4AYB3_MQB92862855_REV00_user_low_ship_MULTI_CERT.tar.md5

Device user data file

USERDATA_CCT_S921USQS4AYB3_S921USQS4AYB3_MQB92862855_REV00_user_low_ship_MULTI_CERT.tar.md5

• 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)

Galaxy AI

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 mo...

• 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.

• Security
The device is protected with improved security.

One UI 7.0 Upgrade (Android 15)

Galaxy AI

Write like a pro
Let Galaxy AI help you with writing tasks by tapping the 4-star icon that appears whenever you select text. You can correct spelling and grammar, change tone, summarize, or apply formatting. You can even start with a short snippet and let the AI do the writing for you.

Transcribe and summarize recorded calls
It's easier than ever to review the content of your recorded calls in the Sa...

• Security
The device is protected with improved security.

• 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.

• Auto Blocker
After the update, when “Auto Blocker” is on with “Maximum restrictions”, USB devices will not be allowed to connect to this device except charging.
• Security
The device is protected with improved security.

• Security
The device is protected with improved security.

Samsung firmware list
PDA/AP VersionCSC VersionMODEM/CP VersionOsOs VersionChangelistBuild Date
S921USQS4CYJ1S921UOYN4CYJ1S921USQS4CYJ1Android161026548332025-10-31
S921USQU4CYI9S921UOYN4CYI9S921USQU4CYI9Android161011713012025-09-25
S921USQS4BYG2S921UOYN4BYG2S921USQS4BYG2Android15991574862025-08-18
S921USQS4BYF5S921UOYN4BYF5S921USQS4BYF5Android15978139682025-07-17
S921USQS4BYF2S921UOYN4BYF2S921USQS4BYF2Android15971960532025-06-25
S921USQS4BYE4S921UOYN4BYE4S921USQS4BYE4Android15961454002025-05-21
S921USQU4BYD9S921UOYN4BYD9S921USQU4BYD9Android15950358012025-04-22
S921USQU4BYCHS921UOYN4BYCHS921USQU4BYCHAndroid15943351822025-04-11
S921USQS4AYA1S921UOYN4AYA1S921USQS4AYA1Android14914790412025-02-13
S921USQS4AXL2S921UOYN4AXL2S921USQS4AXL2U14-2025-01-10

🤗 Where can I find the latest Samsung firmware for my region CCT?

The list of firmwares for the region is available at SM-S921U

🤗 Where can I find Samsung firmware on SM-S921U(CCT)?

You can find firmware on the page SM-S921U

🤗 For which device is this Samsung firmware S921USQS4AYB3?

This firmware for the model SM-S921U SM-S921U

🤗 How can I flash my Samsung device with this firmware S921UOYN4AYB3?

Instructions for the firmware can be found on the firmware page itself

Last version finder