For some Xiaomi, Pixel, and OnePlus devices, you can unlock the bootloader via fastboot. Once unlocked, you can flash a custom recovery (TWRP) and delete the /data/system/users/0/account.db file. This wipes your data and voids warranties.
FRP Hijacker by Hagard is a popular tool used to bypass Factory Reset Protection (FRP) on Samsung devices. While versions like v1.0 have been widely circulated, many users now search for "patched" versions or updates to handle newer security levels. frp hijacker by hagard patched
Once the tool indicates that the FRP has been bypassed or removed, you should be able to access your device without needing the previous Google account. For some Xiaomi, Pixel, and OnePlus devices, you
If you are stuck on a Google lock today, look for tools that specifically mention support for the rather than relying on a classic tool from years ago. FRP Hijacker by Hagard is a popular tool
Here is a blog post draft you can use to break the news and offer some alternatives.