This article discusses software internally used by Apple.
Acquiring a copy without Apple's consent is illegal and may result in being scammed.
CooLtool is an AppleInternal tool to check if GPS, GLONASS, cellular and other location systems are operational. Compatibility for a GPS unit must be added in CooLtool before use. It is optimized for use on iPhone and iPad. CooLtool is not functional on iOS 8 and above.