download setool2 lite 1.08 from
4shared.com - online file sharing and storage - download setool2lite.rar
unzip it,
you will see a folder called drivers, go in to it then go in usb_flash_driver, and run the .exe inside, now run setool2 lite 1.08
select your phone model from the drop down list,
download the tpa.zip file attached to this post,
put the tpa.zip in the MISC box,
click flash
remove your phone battery for a few secs then reinsurt it and connect to the PC holding down C.
then when it's finished, unplug your phone remove your phone battery for a few secs then reinsurt, then turn your phone on the operator logo should be gone.