Ensure you have the MTK VCOM Drivers installed. Without these, your PC cannot send the DA file to the phone. Safety Warning
In mobile repair, "FRP Lock" is a security feature. Specialized versions of the All-in-One DA can be used to access the partition containing FRP data ( frp partition) and format it, effectively bypassing Google's lock screen protection on devices where the user has forgotten their credentials. mtk-allinone-da.bin