How To Find Someone On Whatsapp With Phone Number 2021. You can just install the phone locator app on the target device and use your control panel to monitor location and other activities. Before whatsapp 2.19.30, you had to first save a number in the contacts app for whatsapp to be able to determine if it’s on the service.
Point your target phone to this screen and scan the code. Whatsapp will automatically add your country code and you’re good to go. Head over to whatsapp and convince the user to click on the url.