Mobile tracker using serial number

Therefore, they thought ahead of time and developed the Android Device Manager , now known as Find My Device , a function that comes by default in all Android devices and where being online is all it takes to get location information. This feature is always on by default and all it takes it for the device to be on and connected to the Internet. While this feature must be turned on beforehand, it will save you more than one headache.

track mobile phone by serial number | Tom's Guide Forum

Instead, it connects to 2G, phone antennas and Wi-Fi networks to pinpoint a location, so it can work even if it is off. Some mobile manufacturers have developed their own tracking software to track the location of their phones.