1=> Your Android Smartphone should have at-least 40-50 percent of battery to perform the Flashing Process.
2=> SP Flash Tool And Usb Drivers .
You Can Download It From Here .
Smart Phone Tool Download
USB Drivers Download
3=> USB Cable.
Step 1: Download and install Android USB Drivers on your computer. In case Android USB Drivers are already installed on your Computer then skip this step.
Step 2: Power Off your Android Smartphone and remove the Battery (if it is removable).
Step 3: Download the Stock Rom or Custom Rom that you want to Flash on your Android Smartphone and extract it on your Computer.
Step 4: Download and Extract Smart Phone Flash Tool on Your Computer. After Extracting you will be able to see the following files:
Step 5: Now Open Flash_tool.exe .
Step 6: Once Smart Phone Flash Tool is launched, Click on the Scatter-Loading Button from the Right.
Step 7: Now, Locate the Scatter File (Give The Path Of That File You Extracted In Your Computer).
Step 8: Now, Click on the Download Button to begin the Flashing Process.
Step 9: Now, Connect your Smartphone to the Computer using USB Cable (without battery- if it is removable).
Now One Red Line Is Run ThenThen One Voilet Line Then One Yellow Line Is Run And Then It finished .
Step 10: Once Flashing is completed, a Green Ring will appear.
Step 11: Close the Smart Phone Flash Tool on your computer and disconnect your Android Smartphone from the computer.
Note => If You want To Flash Only User Data Or Recovery File So Tick Mark Only User Data Or Recovery File .
Deselect all parts except the one(s) you want to flash and then press F9 (or hit Download button).
The tool will immediately show a warning because not all parts are selected, but you should continue anyway. Safely press Yes to continue.
Congratulations, Now your Android Smartphone is successfully Flashed With the Stock Rom you have Downloaded.