The Samsung Drivers Pack also provides the following drivers: Intel USB Flash Loader drivers, Spreadtrum USB, EMP USB, ST-Ericsson, Qualcomm USB composite and the Infineon mobile phone platform. It is often a prerequisite to have proper USB functionality for rooting or otherwise modifying a phone and Z3X team includes a number of tools with this package, primary the Samsung USB Driver for Mobile Phones. Samsung Drivers Pack is a collection of drivers for rooting and modifying your Samsung cell phone.