Depending on whether you're tracking your own device or carrying out the operation with permission, there are a number of legal and technical ways to follow the position of a mobile device.
GPS Tracking
Most smartphones come with built-in GPS tracking features for locating lost or stolen devices.
1. Android (Find My Device):
- Go to Find My Device on a browser.
 
- Log in with the same Google account used on the device.
 
- The platform displays the device's last known location in real-time if it's connected to the internet.
 
2. iPhone (Find My iPhone):
- Use the Find My app on another Apple device or go to iCloud.com.
 
- Sign in with your Apple ID.
 
- You’ll see the device’s location on the map.
 
- Third-party Apps: Applications like Life360, Google Maps (Location Sharing), or Family Locator allow real-time tracking with consent from the device owner.
 
3. Wi-Fi Positioning
- When a device connects to a Wi-Fi network, its location can be approximated by identifying the router's physical location.
 
- Services like Google Location Services combine GPS, Wi-Fi, and cell tower data for more accurate tracking.
 
4. Bluetooth Tracking
Short-range tracking via Bluetooth beacons can locate a device within a small area, such as in a crowded place.
5. IMEI Tracking
- Each device has a unique IMEI (International Mobile Equipment Identity).
 
- If a device is stolen, report the IMEI to the police and your network operator.
 
- The operator can track the device when it connects to their network, even if a different SIM card is used.