SPD Upgrade Tool helps to upgrade, downgrade another re-install process on your android devices. Additionally, you can resolve the software issues, Bootloop issue, IME issue, and Dead issue through using this Flash File (ROM). These are all files ( Flash Files, Flash Tool, USB Driver, or How-to Flash Manual) included in M39 stock firmware zip package
Flash or Install PAC Firmware (ROM Flash File) using the SPD Upgrade Tool
- Firstly, ensure about the SPD Driver installed on your Computer (if you have done this step before, then SKIP this).
- Now, Download Stock Firmware (ROM Flash File) of your Spreadtrum Device.
- In the next step extract the SPD Upgrade Tool extracte in computer. once extracte process begin , you will be able to follow next steps.
4.Now, launch the upgradedownload.exe Tool.
5. Now, you can see the following window.
6. Press on the Load packet button .
7. Find out the zip pack-based Stock Firmware (ROM Flash File) on your computer. just press the open button to load the firmware.
8. Ensure the device is switched off then, connect your Spreadtrum Device to the Computer through the USB Cable.
9. Press start button for downloading to begin the installation process.
10. After a few minutes complete the flashing process begin SPD Upgrade Tool.
11. Once the Flashing or installation process is done, you can see the Passed Message on the Upgrade Tool.
12. In the last step disconnect your Spreadtrum device and close the upgrade Tool.
Congratulation users, You have learned about to flash or install .pac firmware on Spreadtrum device.