Xiaomi and Google update FRP security regularly. A tool that works today may fail tomorrow after a security patch. Always check the tool’s official website for the latest version.
While known for Samsung, the has added support for MediaTek-based Xiaomi devices, including the Redmi A2. It uses a vulnerability in the Android Setup Wizard. Redmi A2 Frp Unlock Tool
If these fail, you need a dedicated specifically for the Redmi A2. Xiaomi and Google update FRP security regularly
: The latest versions (e.g., v5.4) support bypassing Google account locks on Redmi A-series devices by enabling specific options in the software and connecting the phone. Redmi A2 Frp Unlock Tool