1: Download & Install Spreadtrum USB Drivers on your Computer. If
Spreadtrum Drivers is already installed on your pc then proceed to step
Step 2: Download Stock Rom (pac) for your Android Device.
7: Once you have successfully added the Pac file in Research Download
Tool, Click on the Start button Downloading button and Connect USB cable to switched off phone.
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: Remove USB cable and reinsert battery.