These are the Complete Instructions To Flash .PAC Stock Firmware Flash File For Android Smartphones.
Your Android Smartphone must have At least 30 to 40 Percent Battery to Complete The Flashing Process.
How to Flash .Pac Stock Firmware on Any Android Device
Step One: Download and Install Latest Spreadtrum USB Drivers on your PC. If your Computer Already has USB Driver Installed then Skip this Step.
Step Two: Download Latest Stock Firmware (.pac) for your Android Device.
Step Three: Download and extract Spreadtrum Upgrade Flash Tool to your PC. After the extracting, you will able to see these following files in below Screen:
Step Four: Now, Start The UpgradeDownload.exe. in Folder
Step Five: Once Spreadtrum Upgrade Tool SPD is Completely launched, Just Cconnect your Android Phone to the computer or PC (Make Sure First Your device is switched off).