HOW TO FLASH .PAC STOCK FIRMWARE ROM FOR ANDROID DEVICES FULL GUIDE

Step no 1: Download & Install Spreadtrum Android USB Drivers on your Laptop or Computer. If your computer Already have Spreadtrum Driver then SKIP this Step.
Step no 2: Download your Device Compatible Stock Firmware (.pac) for your Android Device.
Step 3: Download & extract Spreadtrum Upgrade Flash Tool to your computer. After extracting, you will see these following files:
Step no 4: Now, Run The UpgradeDownload.exe. in SPD Tool

Step no 5: Once Spreadtrum Upgrade Tool SPD is Fully launched, connect your Android Smartphone to the computer or Laptop (Confirm That your device is switch off).
Step no 6: Once your Android Device is connected successfully with the computer, Now click on the Load Packed Button Option and add the .pac Firmware file (stock Firmware which comes as .pac).
Step no 7: After you have successfully added the .Pac Firmware file in Spreadtrum SPD Upgrade Tool, Now Tab on the Start Downloading button to Start the flashing.

Step no 8: During the flashing procedure your Android device will restart automatically. Once Firmware flashing is completed, you will see the Green Passed Message Option in The SPD Spreadtrum Upgrade Tool.

Step no 9: Now Congrats you have successfully flashed your Android Smartphone using via SPD Spreadtrum Upgrade Tool. After Then your Android Device is successfully restarted, Go to Settings > About Phone > Check firmware version.