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Last Updated: January 30, 2026
Bring your Samsung Galaxy S23 Ultra back to life with the official stock rom. This guide includes the Samsung USB Drivers, Odin Flash Tool, and the Galaxy S23 Ultra firmware flash file you’ll need to fix software problems.
Samsung Galaxy S23 Ultra Firmware (Flash File) – Drivers, Tools & Guide
On this page, you will find everything needed to get your Samsung Galaxy S23 Ultra back in shape. We have the official Samsung Galaxy S23 Ultra stock firmware (.tar.md5 files), the Samsung Odin Flash Tool, Samsung USB drivers, and our FRP bypass tool. We’ll walk you through selecting the correct firmware for your specific model and region, offer download links, and explain how to verify and extract the files. Then, you can follow straightforward steps to flash your device using Odin. You’ll also learn how to fix IMEI issues, troubleshoot common problems, get answers to frequently asked questions, and discover tips for a safe flashing experience. Let’s get started.
Before you begin flashing your device, it is important to ensure that the firmware file is not corrupted and that it precisely matches your Galaxy S23 Ultra. You will need a Windows computer and a reliable USB cable for this process. It’s also a good idea to run a virus scan on your computer beforehand. Please review our simple flashing guide below.
The Samsung Galaxy S23 Ultra firmware is distributed in a ZIP file. You will need to download and then unzip this file using a program like WinRAR or 7-Zip. Once unzipped, carefully check the extracted folder for files that typically begin with AP_*.tar.md5, BL_*.tar.md5, CP_*.tar.md5, and CSC_*.tar.md5 before proceeding.
Please be aware that flashing the firmware on your Samsung Galaxy S23 Ultra will erase all existing data on your device. This process is often necessary to resolve issues such as FRP lock, sluggish performance, forgotten passwords, boot loops, connectivity problems, or excessive battery drain.
Samsung Galaxy S23 Ultra FRP Bypass
After a firmware flash or factory reset, you may run into a Google account lock, also known as FRP (Factory Reset Protection). If that happens, free Android apps launcher can help you get back into your phone. Just check out the video guide below and use our free Android apps launcher once you’re able to open a web browser on your device. Alternatively, you can download and use BFT for a PC-based bypass.
Why Do We Need Samsung Galaxy S23 Ultra Firmware?
The firmware is essential for your phone’s optimal functioning and for resolving various issues. It can:
- Help unbrick your device if it becomes unresponsive.
- Allow you to update to the latest Android version available.
- Fix persistent issues like boot loops, lag, or system freezes.
- Resolve problems encountered during Over-The-Air (OTA) updates and address battery drain.
- Restore your phone to its original software state, which may be necessary for warranty claims.
- Assist if your phone only boots into recovery mode.
Installing this update can significantly improve your phone’s overall performance. For more details on the benefits of stock ROMs.
Choosing the Right Firmware Version
Before you proceed with the flashing process, please follow these steps carefully to ensure you select the correct firmware:
- Identify Your Device Model: Navigate to “About Phone” within your device settings to confirm that your model is indeed the Samsung Galaxy S23 Ultra.
- Verify the Build Number: Look for specific identifiers like “S23 Ultra” within your device’s build details to ensure accuracy.
- Confirm the Chipset: According to Samsung’s official specifications, the Galaxy S23 Ultra is equipped with a Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) CPU. This is an Octa-core processor featuring 1×3.36 GHz Cortex-X3, 2×2.8 GHz Cortex-A715, 2×2.8 GHz Cortex-A710, and 3×2.0 GHz Cortex-A510 cores, paired with an Adreno 740 GPU.
- Match the Firmware Version: It is crucial to check the firmware version and regional details to ensure compatibility with your device’s specifications. This step helps prevent potential issues after flashing.
- Verify In Recovery Mode: If you are uncertain about your Galaxy S23 Ultra’s chipset or the exact firmware version, you can restart your device into recovery mode to access additional details. To enter recovery mode on Samsung phones, first power off your device and wait for about 8 seconds. Then, press and hold the Volume Up and Power buttons simultaneously until you see the Samsung logo. Release the Power button but continue holding the Volume Up button. You should then see an “Android No command” screen; release the Volume Up button. Finally, press and hold the Power button again and briefly tap the Volume Up button. This method will help you identify the correct firmware to flash and the version that will work best, minimizing any risks.
Firmware Details for Samsung Galaxy S23 Ultra
Here is a summary of the official firmware details:
| Firmware Information | Details |
|---|---|
| Device Model | Samsung Galaxy S23 Ultra |
| Firmware Version | ATT/CCT/CHA/DSH/TMB/TMK/USC/VZW [ Locked ], UEU1AWBE [US Unlocked version], UEU1AWA6 [US Unlocked version]. |
| File Size | 8.6 GB |
| Android Version | Android 13, with support for up to 4 major Android upgrades, One UI 8 |
| Release Date | Released February 17, 2023 |
| Region | US |
| File Type | ZIP (Includes AP_*.tar.md5, BL_*.tar.md5, CP_*.tar.md5, and CSC_*.tar.md5 Files etc.) |
Download Samsung Galaxy S23 Ultra Firmware
You can download the official firmware for your Samsung Galaxy S23 Ultra from the link below:
| Software Details | Download Link | Members Link |
|---|---|---|
| File Name: ATT/CCT/CHA/DSH/TMB/TMK/USC/VZW [ locked US version ] SM-S918USQU1AWA6_CTT.zip Size: 8.6 GB | Download Link | Download Link2 |
| File Name: USERDATA_ATT_S918USQU1AWBE_S918USQU1AWBE_MQB62300870_REV00_user_low_ship_MULTI_CERT.tar.md5.zip Size: 754.7 MB | Download Link | Download Link2 |
| File Name: US Unlocked SM-S918U1UEU1AWBE_CCT.zip Size: 8.2 GB | Download Link | Download Link2 |
| File Name: US Unlocked SM-S918U1UEU1AWA6.zip Size: 8.2 GB | Download Link | Download Link2 |
It is very important to download only the firmware that is compatible with your specific model and region. Please refer back to the Choosing the Right Firmware Version section for guidance.
Prerequisites
Before you begin the flashing process, please ensure you have the following ready:
- Backup IMEI: It is highly recommended to note down your phone’s IMEI numbers by dialing *#06# before you start flashing. These numbers can sometimes be lost during the process.
- Remove Google Accounts: To prevent being locked out by FRP, please sign out of all Google accounts associated with your device.
- Remove Samsung Accounts: Similarly, sign out of all Samsung accounts to avoid any potential KG lock issues.
- Backup Data: Make sure to back up all your important data, including photos, documents, music, and videos, as the flashing process will completely erase your device’s storage.
- Charge Your Phone: Ensure your phone’s battery is charged to at least 50% to 80% to prevent it from shutting down during the flashing process.
- USB Cable & PC: You will need a reliable USB cable and a Windows-based computer.
- Install Drivers: Download and install the Samsung USB Drivers on your computer.
- Odin Tool: Download Samsung Odin3 v3.14.4. You can also find all available versions of Samsung Odin flash tools if needed.
How to Install Firmware on Samsung Galaxy S23 Ultra
Please follow the steps below, or refer to the video guide, to flash the firmware using Odin:
- Download Firmware: First, download the correct firmware ZIP file specifically for your Samsung Galaxy S23 Ultra from our firmwares Page.
- Extract Files: Unzip the downloaded firmware file. You should find individual files with the .tar.md5 extension, typically labeled AP, BL, CP, and CSC.
- Install Drivers: Make sure that the Samsung USB Drivers are properly installed on your computer.
- Enter Download Mode: Power off your Samsung phone completely. Then, press and hold the Volume Down and Power buttons simultaneously (on older models, you might also need to hold the Home button). Release the buttons when you see the warning screen, and then press the Volume Up button to enter Download Mode.
- Connect to PC: Connect your phone to your computer using the USB cable. Odin should display a message in its log window indicating “Added!” if the connection is successful.
- Open Odin: Launch the Odin application. It is recommended to run Odin as an administrator.
- Load Files: In Odin, you will see several buttons. Click on each button and select the corresponding firmware file:
- Click on the BL button and select the BL_*.tar.md5 file.
- Click on the AP button and select the AP_*.tar.md5 file.
- Click on the CP button and select the CP_*.tar.md5 file.
- Click on the CSC button and select the CSC_*.tar.md5 file. It’s important to note that using the HOME_CSC file will attempt to preserve your data, but using the standard CSC file is generally recommended for a cleaner flash and is often safer for resolving issues.
- Start Flashing: Once all files are loaded correctly, click the “Start” button in Odin. The flashing process will begin. Please wait patiently until Odin displays a “PASS!” message, at which point your phone will automatically reboot.
Missing IMEI After Flashing?
If you find that your IMEI is missing after flashing the firmware, this could indicate a corrupted EFS partition. Restoring the IMEI requires significant caution, as altering IMEI numbers is illegal in many jurisdictions unless you are restoring the original, legitimate number. Tools like ChimeraTool might be helpful, or you could try using a tool like BFT. Before proceeding with any IMEI repair, please verify that your actions are legal in your local area.
Steps to Check IMEI:
- Dial *#06# on your phone’s keypad to check if your IMEI numbers are displayed.
- If the IMEI shows as “null” or is missing entirely, you may be able to restore it if you have a backup of your EFS partition.
- Consider contacting a professional technician for assistance, or carefully try using one of the tools mentioned above, always ensuring you comply with all applicable laws.
Common Issues and Solutions
- Device Not Detected in Odin:
- First, make sure that the Samsung USB Drivers are correctly installed on your computer.
- Try using a different USB port on your computer or a different USB cable.
- Double-check that your phone is indeed in Download Mode.
- Flashing Fails:
- Carefully verify that you have selected the correct firmware files for your device model and region.
- Consider trying a different version of the Odin Flash tool.
- Ensure the firmware file you downloaded precisely matches your device’s model and region.
- Boot Loop After Flashing:
- Restart your phone into recovery mode (by holding Volume Up + Power buttons). From there, perform a factory reset.
- If the issue persists, try re-flashing the firmware, ensuring you use a compatible version.
Frequently Asked Questions (FAQs)
Q1: Will flashing erase my data?
A: Yes, the flashing process will erase all data on your device. It is essential to back up your important files beforehand.
Q2: Can I use this firmware on other Samsung models?
A: No, this firmware is specifically designed for the Samsung Galaxy S23 Ultra. Using it on any other model could lead to serious issues or damage your device.
Q3: Can I downgrade my firmware?
A: While downgrading firmware is technically possible, it is generally not recommended. Doing so can introduce security vulnerabilities and compatibility problems.
Q4: What if I get an FRP lock after flashing?
A: If you encounter an FRP lock on Samsung Galaxy S23 Ultra, you can use our free Android apps launcher to get back into your device.
Q5: Are custom ROMs available for Samsung Galaxy S23 Ultra?
A: Yes, custom ROMs do exist for the Samsung Galaxy S23 Ultra. However, this guide focuses exclusively on flashing official firmware. For information on custom ROMs, please visit communities like XDA Developers.
Conclusion
This guide is intended to help you successfully flash the official firmware onto your Samsung Galaxy S23 Ultra. By following these steps carefully, you can resolve software-related problems and enhance your device’s performance. Please proceed with caution to avoid any complications. If you require further assistance, feel free to leave a comment below or reach out to our support team.
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Disclaimer: Please be aware that flashing firmware is done at your own risk. Using incorrect firmware or following the wrong steps can potentially damage your device. Additionally, any modification of IMEI numbers may be illegal in your country; always ensure you are in compliance with local laws and regulations.
