In this article, we will guide you though the step-by-step simple process of repairing dead boot, stuck on logo on Samsung A31 SM-A315N running on Binary U3 version using the Dead Repair Scatter File and SP Flash Tool.
What is Dead Boot Repair?
Dead boot means the phone is completely dead and won’t turn on at all because of main boot files got damaged. if your Samsung A31 is stuck at Samsung boot logo, or dead after flashing then you can use the following file & guide to fix the issues easily.
Caution: Bypassing FRP locks on a stolen phone is an illegal or unethical. This guide is purely for educational purposes only.
Also read: Samsung A03s SM-A037F U7 Dead Boot Repair File (Scatter Firmware)
Download Samsung A31 SM-A315N U3 Dead boot Repair Scatter File:
File Name: A315N Scatter Firmware Dead Boot Repair.zip
Size: 6.3 GB
Binary Version: U3
Type: Free
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USB Driver: MTK USB Driver
Flash Tool: SP Flash tool
Password: Bypassfrpfiles.com
How to Repair Dead Boot on Samsung A31 SM-A315N U3
The SP Flash Tool is a MTK firmware flashing or update tool that can perform flashing to unbrick or repair the phone. The following procedure will allows you flash your phone easily.
Do read: Samsung A14 5G SM-A145P U6 Dead Boot Repair File
Extract Firmware & Tool
- Download Samsung A31 SM-A315N U3 Dead Boot Repair Firmware file.
- Next, Download & extract SP Flash tool to your computer.
- Extract the files.
- Open the Flash tool folder & Run SP Flash tool.exe.
- Now Open the Flash tool folder.
- Run SP_Flash_tool.exe.
Read: Samsung A06 SM-A065F U3 MDM & KG Remove File
Configure the Flash Tool
- Click on Choose from Download-Agent file Tab
- Select the MTK_All_IN_ONE_DA.bin file from the Flash Tool folder.

- Tap Open.
Read: QFlash Tool
Select Firmware on flash tool
- Extract the stock firmware file for your phone.

- After that, Click on Choose from Scatter-Loading File Tab
- Select the MTXX_Android_scatter.txt file from the Flash file folder.
- Tap Open.
- Now Click on Download.
Also read: LG Flash Tool
Connect Samsung A31 to Windows

- Power Off your Samsung A31 Android phone.
- Connect your device to computer via USB cable.
- Make sure, use a Auth tool to bypass Brom Protection.

- Open Device Manager > Check the COMPORT Number.
- Select the COMPORT number (In my case I have COM9).

Also read: Samsung A06 SM-A065F U3 MDM & KG Remove File
Start Flashing
- The Flashing process will begin.
- It will take some time to finish.

- Once finished, disconnect and Power On your Samsung A31 phone.
- Setup all initial steps.
- That’s it.
Read More: Samsung A20s SM-A207F U5 MDM & KG Remove File
Note:
Beginner: If you are a beginner or new to flashing and not confident enough for the process, then we strongly recommend you to visit nearest service center or seek a professional technician to avoid potential risks.
Disclaimer: This firmware is currently on under testing and provided for educational purposes only. It is not an official release by Samsung Mobile.
Compatibility: Only use the file on Samsung A31 SM-A315N U3 model. Don’t try this to any other Samsung models.
Also read: Samsung Tab S9 Ultra SM-X910 U5 MDM Remove File

