This firmware solve issues like
-Calibration/Touch pad not working after flashing
-Deadboot issues
-Unlocking issues
-Monkey Virus issues
-Hang On Logo
-LCD Blank,Camera Errors,Dead Boot Repair,Unfortunately App Has Stopped
-Frp Lock
-Auto Data-Wifi On
-Hang On Logo
-LCD Blank,Camera Errors,Dead Boot Repair,Unfortunately App Has Stopped
-Frp Lock
-Auto Data-Wifi On
ETC
File Name: [DST-Gsm] Itel A23F-SU335PK-8.1-PK-V007-20190610 Care File
Remember: Your Android device should have at least 40-50 percent of battery to perform the flashing process.
Flash Pac Stock Rom on Android Smartphone
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 Spreadtrum Upgrade Tool on your computer. After extracting,you will be able to see many files.
Step 4: Now, open UpgradeDownload.exe.
Step 5: Once Spreadtrum Upgrade Tool is launched, connect your Android device to the computer (make sure your device is switch off).
Step 6: Once your Smartphone is connected successfully to the computer, click on the Load Packed Button and add the .pac file (stock rom which comes as pac).
Step 7: Once you have successfully added the Pac file in Spreadtrum Upgrade Tool, click on the Start Downloading button to begin the flashing (hold download button to start the flashing process,the button usually up or down button and plug in your cable to begin flashing).
Step 8: 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 Device using Spreadtrum Upgrade Tool.
Once you see the Green Passed Message,Disconnect it and ON your phone.Go to Settings > About Phone > Check firmware.
Then you are Good to go........Enjoy.