These are the installation instructions to Install Stock Firmware or any custom phone rom using Smart Phone Flash Tool (SP Flash Tool) on Windows PC.
Before Requirements: Your Android Phone should have at-least Forty to Fifty percent of battery to perform the Installation Process.
How to Flash Stock Firmware using SP Flash Tool
Step 2: Switch Off your Android Smartphone & remove the Device Battery (if the Battery is removable).
Step 3: Download the latest available Stock Rom that you want to Install on your Android Smartphone and extract it on your PC.
Step 4: Download and Extract SP Flash Tool on Your PC. After Extracting you will be able to see the following files as Below screen shot:
Step 5: Now time to Open Flash_tool.exe (you will find this from the extracted files in Step no 6).
Step 6: Once SP Flash Tool is Running, Click on the Download Tab.
Step 7: In the Download Tab Option, now Click on the scatter-loading button.
Step 8: Now, Locate the Scatter File (you will find the scatter file in the Stock Firmware folder).
Step 9: Now, Click on the Download Button Option to Start the Flashing Process.
Step 10: Now, Connect your Device to the Computer via USB Cable (without battery- if your mobile battery is removable). After connecting the Smartphone to the computer by pressing Volume Down or Volume Up key, so that your computer easily detect your smartphone Device.
Step 11: Once Flashing is DONE, A Green Ring will appear.
Congratulations, Now your Android Smartphone is successfully running the Stock Rom you have Downloaded.