by Editorial Staff

Samsung SM-G991N SPD Upgrade Tool Download

If you are looking to download Samsung SM-G991N SPD Upgrade Tool (SpreadTrum Flash Tool) for Windows 11,10,8,7. Then you are on the right page, here you can download SPD Flash Tool for all versions. No doubt, that it allows you to flash or install any .pac file, or you can also install stock ROM, the firmware on Samsung SM-G991N using this tool.

Here, you can see all versions files, we always recommend to everyone, download the latest version file.

Yes! It comes as a portable application, that's why you can't install it on your Windows 11 computer. First of all, you need to download and extract this tool on your Windows 11, 10, Now, open the UpgradeDownload.exe file to launch the Application.

Driver name:

Driver Size: 2.21 MB

Please Wait...
First, Install SPD Driver on your computer. Follow the below steps.

How to Flash Your Samsung SM-G991N Firmware using SPD Upgrade Tool?

  1. If your device is powered by Spreadtrum or Unisoc, and you would like to install stock ROM or want to Flash Stock Firmware on your SM-G991N.
  2. Make sure that, you have the correct .pac firmware of your Device.
  3. First of all, download the latest SPD driver from the above link, and install it on your computer.
  4. Now, Launch the Tool, and click on the Load Packet button.
  5. After that, Locate the .pac file on your computer from the firmware folder.
  6. Finally, click on Start Downloading Button to start the Flashing process.

Is SPD driver Support Spreadtrum Chipset based devices? OR it supports MediaTek Samsung SM-G991N.

Yes, of course, it supports only Spreadtrum/Unisoc Chipset-based devices, phones, tablets. If you have installed the Spreadtrum Drivers on your Windows 11, Mac, Linux. Then, you can easily check the connected devices using the Upgrade Tool. After that, you can flash the firmware on the device.

SPD upgrade tool Support .pac and .p5c Format:

If you are the owner of the Spreadtrum/Unisoc Device, and looking to flash your Samsung SM-G991N with the SPD upgrade flash tool then make sure you have the correct .pac and .p5c based Stock ROM, Firmware. If you are using Spreadtrum/Unisoc Smartphone, then you can easily check the .pac file.

Read Me Once SPD Upgrade Tool process will affect your SM-G991N device data like images, videos, and files. We advise you before start SDP Upgrade tool you need to create a backup and save it in a safe location.