How To Flash Pac File SPD Using ResearchDownload Tool

How To Flash Pac File SPD Using ResearchDownload Tool

These are the instructions to flash.Pac Stock Rom on any Android Smartphone using research download tool

Remember: Your Android device should have at least 40-50 percent of battery to perform the flashing process.

Flash .Pac Stock Rom on Android Smartphone

How To Flash Pac File SPD Using ResearchDownload Tool

  • Step 1: Download ~ Download and Install Spreadtrum USB Driver on your Computer. If in case Spreadtrum Driver is already installed on your computer then SKIP this Step.
  • Step 2: Download Stock Rom (.pac) for your Android Device.
  • Step 3: Download and extract RESERCHDOWNLOAD   tool on your computer. After extracting, you will be able to see the following files:

  • Step 4: Now, open reseachdownload.exe.
  • Step 5: Once the researchdownload Tool is launched,
  • make sure your device is switched off.
  • Step 6: click on the Load Packed Button and add the .pac file (stock rom which comes as .pac).


  • NOTE TO REMOVE USER LOCK CODE LIKE pattern lock phone lock Gmail lock etc.
  • uncheck all, and flash only user data fdl1 & 2 already selected


  • Step 7: Once you have successfully added the.Pac file


  • clicks on the Start Downloading button to begin the flashing.

  • Step 8: During the flashing process your device will restart automatically. Once flashing is completed, you will be able to see the Green Passed Message in the researchdownload tool

  • Step 9: Now you have successfully flashed your Android Device using researchdownload  Tool.

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