Home Stock Firmware Galaxy A31 SM-A315G/DSL U3 Firmware – Android 12 S

Galaxy A31 SM-A315G/DSL U3 Firmware – Android 12 S

SM-A315G/DSL U3 Firmware

If you own a Galaxy A31 SM-A315G/DSL smartphone and are looking to upgrade your device’s firmware to the latest version, this guide is for you. The latest firmware version for the Galaxy A31 SM-A315G/DSL U3 With 2023-08-01 (August 1, 2023) Security Patch Level, and in this article, we will show you how to install it on your device.

Samsung Galaxy A31 SM-A315G Binary 3 Android 12 Portugal TPH A315GXXS3DWH1

Benefits of Updating Firmware

Updating firmware can be a daunting task for many companies, but it is essential to keep up with the latest technology and ensure that their systems are running smoothly. Firmware updates provide benefits for businesses, from improved security to enhanced performance. By taking advantage of these advantages, firms can stay competitive in today’s marketplace and better serve their customers.

There are various reasons to flash “Stock Firmware on Galaxy A31 SM-A315G/DSL U3”. For example, your phone will be stuck or hang on the logo. You want to remove the FRP lock from it.

  • Flash Stock ROM to solve the boot loop issue.
  • Update and Downgrade.
  • Unroot or Fix Bugs on the phone.
  • To solve the lag or stutter.
  • By flashing Stock ROM, you can fix software issues.
  • Revert back to stock to get your warranty.


  1. Supported Phone: Galaxy A31 SM-A315G/DSL U3.
  2. Charge your mobile: You may charge no less than a half charge.
  3. Laptop or PC: To execute this installation, you must use a PC or Laptop.
  4. Backup Android Phone
  5. Download and install the Samsung USB Driver
  6. Download Odin’s Latest version

How To Install Galaxy A31 SM-A315G/DSL U3 Stock Firmware:

Download Galaxy A31 SM-A315G/DSL U3 Latest Firmware:

SM-A315G U3 Portugal TPH A315GXXS3DWH1:

Model SM-A315G Binary 3 U3, S3, Bit 3
Region / Country Portugal
Language Multi-Language
Android OS Version Android 12 S
Operator / Carrier Clears TPH (without logo, operator apps)
Modem CP Version / Baseband A315GXXS3DWH1
Product code TPH
Build / Release Date 2023-08-16
Security Patch Level 2023-08-01 (August 1, 2023)
Size 5.5GB
Download Google Drive
SM-A315G/DSL U3 Brazil ZTO A315GDXS3DWG1:
Model SM-A315G Binary 3 U3, S3, Bit 3
Region / Country Brazil
Language Multi-Language
Android Version Android 12 S
Operator / Carrier Clean ZTO (no logo, carrier apps)
Modem CP Version / Baseband A315GDXS3DWG1
Product code ZTO
Build / Release Date 2023-08-14
Security Patch Level 2023-08-01 (August 1, 2023)
Size 5.3 GB
Brazil ZTO Qiwi    Google Drive
Brazil Vivo ZVV Qiwi    Google Drive
Brazil Tim ZTM Qiwi    Google Drive
Brazil Claro ZTA Qiwi    Google Drive

Download the Odin and USB Drivers on your PC. Follow the below link to install the firmware using the Odin Flash tool.

How To Flash Samsung Stock Firmware With ODIN

1: Download and Install the Samsung USB Driver on your computer. If a Samsung USB Driver is already installed on your computer, then Skip this Step.


2: Download and extract the  Galaxy A31 SM-A315G/DSL U3 Firmware  files on your computer.

3: Now, Switch off your Smartphone.

4: After switching off the phone, you need to boot into Download Mode. To boot into download mode.

Press and hold Volume Down, Home, and Power button at the same time for 5-8 seconds until download mode is active.

5: In the Download mode, you will see a Warning Yellow Triangle Sign. In this situation, you must press the Volume Up key to continue.

6: Now, Download and open Odin. Then connect your Smartphone to the computer.

7: Once you have connected the Smartphone to the computer, Odin will automatically recognize the device and show the “Added” message at the lower-left panel.

8: Once Odin detects your device, click on the PDA button, and select the Firmware.tar file.


9: Now, click on the Start button in Odin to begin the Flashing.

10: Flashing usually takes 30-50 seconds to complete the process on your Phone.

Once the Firmware process is completed you will be able to see a Green Box with Pass written on it in Odin. During this process, the Smartphone will reboot automatically.

Once you see, the Pass message in Odin, you can disconnect your Device from the computer.

The flashing process will begin and should take about 10–12 minutes. Your device may take some time to reboot but don’t be alarmed.

When your Galaxy A31 SM-A315G/DSL U3 finally boots up, you should be running your desired firmware.

If you want to check that the correct firmware is installed, head to Settings –> About Phone –> Software Information. The firmware number is located under the “Baseband version.”


If you encounter any problems during the firmware update process, here are a few things you can try:

  • Restart your device and try the installation process again.
  • Check if your device has enough battery life and if you have a stable internet connection.
  • If you continue to encounter problems, you may need to perform a factory reset on your device. This will erase all of your data, so be sure to back up your data before performing a factory reset.


Installing the latest firmware on your Galaxy A31 SM-A315G/DSL U3 can bring several improvements to your device, including bug fixes and new features. If you follow the steps outlined in this guide, you should be able to successfully update your device to the latest firmware version. If you encounter any problems during the installation process, refer to the troubleshooting section of this guide for help.

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Always had a strong interest in the Android operating system. Experience with Git and self-hosted WordPress blogs led him to the understanding that an online presence was the logical next step for his business. It's about uniqueness and individuality!


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