How To Flash Pac Firmware On Android Smartphone Using SPD Research Tool Tutorial:
Step 1. Download The Pac Firmware Rom That You Want To Flash On Your Smart Phone And Extract On Your Computer.
Step 2. Download Spreadtrum Usb Driver And Install Spreadtrum Usb Driver On Your Computer. in Case Spreadtrum Usb Driver Are Allready Installed On Your Computer Then Skip This Step.
Step 3. Power Off Your Android SmartPhone And Remove The Battery ( If It Is Removable).
Step 4. Download SPD Upgrade Research Tool And Extract On Your Computer. After Extracting, You Will Able See The Following Files.
Step 5. Now, Open Researchdownload.exe
Step 6. Once Spreadtrum Upgrade Research Tool Is Launched.
Step 7. Click On The Load Packed Button And Add The. Pac File (Firmware Stock Rom Which Comes As .Pac).
Step 8. Once You Have Successfully Added The Pac File In Spreadtrum Upgrade Research Tool. Using Usb Cable (Without Battery-if It Is Removable). After Connecting The Device To Computer, Press Volume Down or Volume Up Key, So That Your Computer Easily Detect Your Android Smartphone. Click On The Start Downloading Button To Begin The Flashing.
Step 9. During The Flashing Process Your Device Will Restart Automatically. Once Flashing Is Completed, You Will Be Able To See The Green Passed Message In Spreadtrum Research Tool.
Step 10. Now You Have Successfully Flashed Your Android Device Using Spreadtrum Research Tool. Once Your Android Device Is Successfully Restarted.
Important Notes !
Back Up Your Data: You should always back up your data before you begin flashing new firmware Flash files to your Android smartphone or tablet. All of your pictures, music, videos, documents, etc. should be still on your device after you have updated the firmware File, but you may need to restore the contacts and applications from a backup.
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