You can also go on google and type find my Samsung for example and login to google account and will ping itIf it's android she can login to Google and check on Google maps
I used this with my huawei p30 pro How to Find a Lost Phone | HUAWEI Support GlobalPhone is a Huawei pro 20. It is turned on, she left in silent mode, should still be charged. She had the phone deactivated by the network, imei number has not been deactivated yet.
Try via google account budbazz, Unfortunately she never enabled the huawei Find My Phone option.