Location leaked on my phone after following measures

I have a new phone. I use the following to hide my location: protonWPN, Brave browser with standard settings, location disabled on my phone (android 11).

I entered walmart.com.mx, and the page automatically assigned me to the closest store.

Seems like my location was leaked.

It was the first time I visited that page, since I don't live in Mexico (travelling here for a few days). I was using the local cellphone network. tenta.com/test , privacy.net and others show no …

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