Closed Find my device erase data feature? (xperia)

[lumdmc]

Hi! I lost my phone earlier (Xperia XA1 Ultra) and Im trying to erase all files on the phone. There's no SD card but the phone is locked, Data was left on when I lost it. I tried to do Erase Device using Find my Device with google and I got a confirmation message that the phone was "factory reset". I just want to confirm if this action erases everything including Photos and Videos? My friend tried also tried the same Erase Data feature on her own phone (Vivo phone), It was factory reset but the gallery was not deleted, so I just needed confirmation. One other friend has the same phone as me, and I had her check the factory reset option on our phone, and it says that factory reset will erase everything including photos and media. My friends phone (Vivo user) checked her factory reset settings and It doesnt include photos and gallery. I just wanted to confirm if this is the reason why her gallery files wasnt deleted.
Thanks much!

 

[nHenzai]

Maybe your friend has an sd card thats why it doesnt erase the photos., theres an option to to erase all data/files including sd card when you trying to do a factory reset.

 

[lumdmc]

Maybe your friend has an sd card thats why it doesnt erase the photos., theres an option to to erase all data/files including sd card when you trying to do a factory reset.

The gallery files she has isnt stored in the SD card. Its all in the internal phone storage.