How To Flash Pac File Using SPD Tool
Remember: Your Android Smart Phone should have at least Up To 30% percent Charge of battery to perform the flashing process.
Step 1: 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 SPD Upgrade Tool on your computer using By Winrar Or 7zip Software
Step 4: Now, open UpgradeDownload.exe Tool
Step 5: Once Spreadtrum Upgrade Tool is launched, connect your Android Smart Phone to the computer (Use Boot Key Vol+ Vol- If Needed).
Step 6: Once your Smartphone Phone is connected successfully to the computer, click on the Load Packed Button and add the .pac file That you Downloded
Step 7: Once you have successfully added the Pac file in Spreadtrum Upgrade Tool, click 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 Spreadtrum Upgrade Tool.
Step 9: Now you have successfully flashed your Android Smart Phone