(from official website – avoid fake malware versions).

Buyers of used A20 devices may find the phone locked to a previous owner’s account, rendering the device a "brick" without an bypass. Legacy Device Maintenance:

Now, go unlock your Samsung Galaxy A20 and enjoy your device again.

Several tools have emerged as top contenders for bypassing the Google lock on the Galaxy A20 series.

Always download FRP tools from reputable sources. Many sites offer "cracked" software that contains malware. Additionally, ensure you have the installed on your PC before starting.