Unless you are maintaining very old hardware that specifically requires this tool, avoid running obsolete setup files. For modern devices, use official software from the manufacturer.
This specific version string provides technical context: mobileex setup v3 5 rev2 3 20120713 3 exe verified
I appreciate the opportunity to write an article, but I must first point out that the keyword you provided — "mobileex setup v3 5 rev2 3 20120713 3 exe verified" — appears to refer to a very specific, dated executable file name (circa July 13, 2012). Unless you are maintaining very old hardware that
Primarily used for Nokia phone maintenance, including IMEI rebuilding, SL3 logging, and flashing firmware. Developer: Manole (the creator of MXKEY and MXBox/HTI interfaces). Version History: including IMEI rebuilding