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Home › How to Flash Stock Firmware Using SPD Flash Tool on Android Smartphone

How to Flash Stock Firmware Using SPD Flash Tool on Android Smartphone

This page shows a step-by-step guide on how to flash Pac Stock ROM on any Android Smartphone using Spreadtrum Upgrade Tool (SPD Flash Tool).

How to Flash Stock Firmware SPD Flash Tool - How to Flash Stock Firmware Using SPD Flash Tool on Android Smartphone

Before proceeding to flash Pac stock firmware, there are some preparation steps to follow to make sure the flashing process runs smoothly.

Preparations:

  • It is recommended to take a backup of your important data to a safe place.
  • The phone should have at least 50-60 percent of battery juice left to perform the flashing process.

Flash Pac Stock ROM using SPD Upgrade Tool on Android

Step 1: Download and install Spreadtrum USB Driver on your computer. If you already have the SPD Driver installed, then you can skip this step.

usb - How to Flash Stock Firmware Using SPD Flash Tool on Android Smartphone

Step 2: Download Pac Stock ROM/Firmware for your Android device.

Step 3: Download and extract the SPD Upgrade Tool (SPD Research Tool) on your computer. Once extracted, you will see the files, as shown in the image below.

SPD Upgrade Tool Extracted Files - How to Flash Stock Firmware Using SPD Flash Tool on Android Smartphone

Step 4: Launch the SPD Research Tool by double-clicking on “ResearchDownload.exe” file.

SPD Upgrade Tool Launch ResearchDownload - How to Flash Stock Firmware Using SPD Flash Tool on Android Smartphone

Step 5: Now power off your device and connect it to your computer.

Step 6: Once the device is successfully connected, click on “Load Packet” (gear icon) and add the .pac firmware file, which you have extracted in Step #2.

Load Packet SPD Upgrade Tool - How to Flash Stock Firmware Using SPD Flash Tool on Android Smartphone

Load Pac Firmware Spreadtrum Upgrade Tool - How to Flash Stock Firmware Using SPD Flash Tool on Android Smartphone

Step 7: Once you have successfully added the Pac Stock ROM file to Spreadtrum Research Tool, click on the “Start downloading” button to begin the flashing process.

SPD Flash Tool Start Downloading - How to Flash Stock Firmware Using SPD Flash Tool on Android Smartphone

Step 8: During the flashing process, your device will automatically reboot several times. So don’t panic.

Step 9: Once the flashing process is completed, a Green Passed Message is displayed in the SPD Upgrade Tool.

Previous Passed Spreadtrum ResearchDownload Tool - How to Flash Stock Firmware Using SPD Flash Tool on Android Smartphone

Step 10: Now, the flashing process is completed. On your Android device go to Settings > About and check the firmware version.

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