File list (Check if you may need any files):
Sciphone_MTK_Drivers
....................\Sciphone_MTK_Drivers
....................\....................\2K_XP_COM
....................\....................\.........\usb2ser_2kXP.inf
....................\....................\98ME_COM
....................\....................\........\GPRS_USB_Modem.inf
....................\....................\........\USBCDC.INF
....................\....................\98_Mass
....................\....................\.......\MTKUMSS.INF
....................\....................\.......\UMSS.sys
....................\....................\.......\UMSSPDR.pdr
....................\....................\InstallDriver.exe
....................\....................\Installer.dll
....................\....................\ReadMe.txt
....................\....................\Serial driver
....................\....................\.............\Debug driver.zip
....................\....................\.............\DRemover98_2K.exe
....................\....................\.............\ser2pl.sys
....................\....................\.............\SER9PL.sys
....................\....................\.............\SERSPL.INF
....................\....................\.............\SERSPL.VXD
....................\....................\.............\SERWPL.INF
....................\....................\Vista
....................\....................\.....\usb2ser_Vista.inf
....................\....................\.....\usb2ser_Vista64.inf