Power off the device. While holding both Volume Up + Volume Down , connect it to the PC via USB. This puts the device in Brom mode for deep flashing. Execute KG Reset: In the service tool, select the model. Choose the option Remove KG (Permanent) or MDM Unlock .
The tool will communicate with the chipset to change the status from Locked to Completed or Broken .
Samsung A03s (A037F) KG Lock Remove By Unlock Tool (UFI Box) - YouTube. This content isn't available. YouTube·gsm munna Mdm FixTool - Facebook