Plug missed file from lenovo s650 android 4.2.2

Hi every body here
and thanx for your efforts
i followed this link
http://forum.xda-developers.com/showpost.php?p=40004748&postcount=628
and actually i replaced the above files without backing up my system
after replacing them i lost my network
so i want to retrive the original files back in system/lib
can any one here help me ???
librapid-ril-core.so --> from "system\lib"
librapid-ril-util.so --> from "system\lib"
libreference-ril-so --> from "system\lib"
libril.so --> from "system\lib"
rild --> from "system\bin"