File list (Check if you may need any files):
MTKUSB_Driver_6235\2K_XP_COM
..................\.........\readme.txt
..................\.........\usb2ser_2kXP.inf
..................\98_Mass
..................\.......\MTKUMSS.INF
..................\.......\readme.txt
..................\.......\UMSS.sys
..................\.......\UMSSPDR.pdr
..................\98ME_COM
..................\........\GPRS_USB_Modem.inf
..................\........\readme.txt
..................\........\USBCDC.INF
..................\InstallDriver.exe
..................\Installer.dll
..................\ReadMe.txt
..................\Vista
..................\.....\readme.txt
..................\.....\usb2ser_Vista.inf
..................\.....\usb2ser_Vista64.inf