This article explains how to detect if there is another phone in use in your vicinity. It suggests the use of a mobile phone app that can detect other phones in the area. It also suggests using the phone's network signal, checking for a signal in the area, and looking for suspicious activity. Finally, it recommends being aware of your surroundings and paying attention to any unusual activity. In conclusion, it is possible to tell if there is another phone in use around you by using a mobile phone app, checking the phone's network signal, being aware of your surroundings, and looking for suspicious activity.
