Question about the security feature FRP, Factory Reset Protection

[James_Watson]

As we know, Android has a security feature FRP, Factory Reset Protection.
Once FRP is activated, it prevents use of a device after a factory data reset, until we log in using a Google username and password previously set up on the device.

But now, if the internet connection, both mobile data and WLAN, is not available for my device at all for some reason, is it possible for me to use that device again? I think FRP perhaps requires internet connection to verify my google username and password.

Thank you in advance.

 

[Member 1919122]

No internet connection needed.
Data signal, yes its needed

 

[Milo Willamson]

No internet required, nothing to do, it is just a simple cleaning way how to really clean it to its core.