SM-G981U Firmware and SM-G981U1 Firmware;

Updated: The latest Android 12 and 11 are attached for the SM-G981U1 firmware.

What is “the thing” your hands do most of the day? Let me guess. Hold on to your mobile phone. Isn’t it? That’s why mobile phone related issues are frustrating enough to make your whole day a mess. Therefore knowledge about flashing firmware to mobile phones might come in handy. But we are gonna talk about one smartphone specifically here.

Ever heard about Samsung Galaxy S20? That amazing Android 10, 5G, 128GB smartphone? Of course, you heard it. That’s why you are here. So let’s discuss flashing SM-G981U Firmware and SM-G981U1 Firmware into it.

SM-G981U Firmware and SM-G981U1 Firmware

There are 2 kinds of S20 models out there. The first one is the mobile phone you buy from the US carriers. They usually lock the sim card and installs a load of carrier bloatware on the phone. Carrier version firmware is the SM-G981U Stock Firmware. The other one is the device you directly buy from manufacturers which is unlocked and free from unnecessary bloatware. SM-G981U1 stock Firmware is available for them.

Unless you are not going to downgrade the bootloader of it, any locked unlocked model can be flashed by any U or U1 firmware. As a matter of fact, those are completely interchangeable. Because flashing the same firmware does not require any factory reset. But changing locked version into unlocked version need to perform a factory reset.

Samsung S20 firmware Download

Make sure to download any kind of official ROM from authoritative websites. Otherwise, there can be various Spamware that makes your smartphone even worse. Accordingly, the Android updates available for the following firmware packages have enhanced the security of your device.

Or else you can download it by firmwarehome.com. Our site is created to download any kind of stock ROM for any Samsung device. But we can only download the modern and latest version of the firmware. According to the developer, it would be humongous storage water if the tool contains all the firmware for thousands if phones because users only wanted the latest one anyway.

You can check further about these ROM files from XDA Developers.

Samsung S20 (5G) SM-G981U Firmware (Stock flash file)

USA (USC)

Model: Galaxy S20 SM-G981U
Build Number / PDA / AP: G981USQU1ATBN
OS: Android 10, One UI 2
Product Code: USC
Size: 5.3 GB
ROM file: Download the file from here

United States ( T-Mobile )(TMB)

Model: Galaxy S20 SM-G981U
Build Number / PDA / AP: G981USQU1ATBN
OS: Android 10, One UI 2
Product Code: TMB (T-Mobile)
ROM file: Download the file from here (5.3 GB)

Spint (cdma) (SPR)

Model: Galaxy S20 SM-G981U
Build Number / PDA / AP: G981USQU1ATBN
OS: Android 10, One UI 2
Product Code: SPR
ROM file: Download the file from here (5.3 GB)

Xfinity Mobile (CHA)

Model: Galaxy S20 SM-G981U
Build Number / PDA / AP: G981USQU1ATBN
OS: Android 10, One UI 2
Product Code: CHA
Flash Tool: Odin 3.14.4
ROM file: Download the file from here (5.3 GB)

USA (BST)

Model: Galaxy S20 (5G) SM-G981U
Build Number / PDA / AP: G981USQU1CTKH
CSC: G981UOYN1CTKH
OS: Android 11
Product Code: BST
ROM file: Download the file from here (5.9 GB)

Samsung S20 (5G) SM-G981U1 Firmware (Stock flash file)

SM-G981U1 Firmware files are listed below. The sm-g981u at&t firmware is also here. Please see the relevant carrier before downloading. These files are only suitable for use on the Unlock version of the Galaxy S20 (5G) USA.

United States (XAA)

Model: Galaxy S20 SM-G981U1
Build Number / PDA / AP: G981U1UEU1ATBN
OS: Android 10, One UI 2
Product Code: XAA
ROM file: Download the file from here (5.3 GB)

USA (XAS)

Model: Galaxy S20 SM-G981U1
Build Number / PDA / AP: G981U1UEU1CTKJ
OS: Android 11, One UI 3
Product Code: XAS
ROM file: Download the file from here (5.3 GB)

USA (ATT – AT&T)

Model: Galaxy S20 SM-G981U1
Build Number / PDA / AP: G981U1UEU2FVE4
CSC: G981U1OYM2FVE4
OS: Android 12 (S), One UI 4
Product Code: ATT (AT&T)
ROM file: Download the file from here (5.58 GB)

USA (VZW)

Model: Galaxy S20 – SM-G981U1
Build Number / PDA / AP: G981U1UES2FVE5
CSC: G981U1OYM2FVE5
OS: Android 12 (S)
Product Code: VZW
ROM file: Download the file from here (5.6 GB)

Flashing SM-G981U1 / SM-G981U Flash file

Generally, the tool we use to Samsung S20 download is Samsung Odin. It’s a classic. With Odin flashing you will get OTA updates again after the process.

Requirements for SM-G981U1 Firmware or SM-G981U Firmware flash

• Backup all the data on the phone.
• Charge the battery at least 80% before the start
• Download necessary Samsung drivers to your PC from its official website.
• Cable to connect your PC and the phone.
• Download the proper firmware into your computer.

Install the stock ROM

1. Extract the downloaded firmware
2. Download Odin and install it.
3. Turn off your mobile phone.
4. Now press and hold Volume down + Power + Home button simultaneously to boot up the device into download mode.
5. Open Odin in PC
6. Connect the S20 through the cable.
7. Odin will recognize the device and give you an “added” message.
8. Load the firmware into the Odin by browsing toward to extracted folder earlier
9. Click “BL” “AP” “CP” “CSC” one at a time and give the proper file to each of it.
10. Check auto reboot, F.reset time, and Re-partition in Odin.
11. Finally, click the Start button. It will take some time. But once it completes the installation your device will be good as new.
12. Go to Setting → About Phone to verify it!

Final Words of SM-G981U1 Firmware / SM-G981U Firmware

Flashing firmware is reinstall the stock ROM that’s already installed on a mobile phone. Firmware normally updates through the over the air updates. But you can try this if your S20 is already out of the OTA updates or you do not want to wait until OTA. Most importantly if you are frustrated with a lack of mobile performance or stuck with a bricked device this is the chance to get your Samsung s20 is fixed.