Download Samsung Galaxy S25 5G SCG31 - KDI - SCG31KDU1AYA1
Firmware Description
Download the firmware flash file Galaxy S25 5G with the code SCG31. Samsung's latest firmware for the region with CSC code is 
KDI (KDI - Japan). This firmware PDA version is SCG31KDU1AYA1, and the Android version is V (Android 15). This firmware file size is 15.81 GB. Please make sure the Galaxy model code is correct. You can check the model code on your Phone, Setting - About, Download mode, or you can find it by flipping your phone or among the things you found in the box.
This firmware is official from the Samsung Cloud Server. Of course, we recommend using official Samsung tools like Samsung Smart Switch or Samsung Kies. Samfirms.com will not be responsible for any damage caused by using the files on this website.
| Device | Galaxy S25 5G | Model | SCG31 |
|---|---|---|---|
| AP Version | SCG31KDU1AYA1 | CSC Version | SCG31QDI1AYA1 |
| OS | V(Android 15) | CSC | |
| Build Date | N/A | Binary (BIT/U) | 1 |
| Upload Date | 2025-03-10 | File Size | N/A |
How to flash Samsung SCG31/Galaxy S25 5G firmware
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Enter Download Mode: Power off your device, then press Volume Down + Power + Home (or Volume Down + Power for newer devices). Confirm with Volume Up.
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Open Odin: Run Odin3 v3.13.1 as admin on your PC.
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Connect Device: Plug your device into the PC via USB. Odin should show a blue COM port.
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Load Firmware: Click AP/PDA and select your firmware file.
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Start Flashing: Ensure Auto Reboot and F. Reset Time are checked, then hit Start.
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Wait: A PASS! message means success. Your device will reboot automatically.
Tips and Precautions
Before attempting to flash your Samsung firmware, make sure you:
- Make sure Samsung USB Drivers are installed.
- Extract the firmware using WinRAR or 7-Zip.
- Have a backup of your device's data, as flashing firmware can erase all data.
- Follow the instructions carefully, as any mistakes can cause issues with your device.
Firmware Specifications
KDI