Tools like the Unlock Tool , UFI Box , or MdmFixTool are commonly used to "Disable KG Locked MTK ADB".
If the device is accessible, enable USB Debugging . If locked at the setup screen, enter Emergency Mode and use the code *#0*# to enable ADB. samsung-a037f-u1-kg-remove-permanent-remove-file
Removing the lock from a Samsung Galaxy A03s Go to product viewer dialog for this item. Tools like the Unlock Tool , UFI Box