Locator programs let you track mobile phones through GPS technology. Several cellular providers have developed locator programs for their customers, such as Verizon Wireless’s Family Locator service or AT&T’s FamilyMap. Smartphones such as the iPhone, BlackBerry or Android-based handhelds have additional options for locator programs available in their respective application markets.
Turn on the phone you want to install a locator on.
Search for a locator program in the phone's market. They are frequently referred to as GPS or tracking programs. Many mobile service providers have locator programs specifically developed for their customers. Third-party application developers also have several programs available.
Test the locator program by tracking the mobile phone from the computer. Contact the program developer if you have downloaded, installed and registered the locator, only to find it is not working properly.