No, it isn't.
You need to extract the wpa_supplicant file and put it into the sdcard root folder.
The commands are the following:
cp wpa_supplicant wpa_supplicant-ori (backup for rollback)
cp /sdcard/wpa_supplicant wpa_supplicant
Phone is rooted
Android SDK 2.3 on your computer
Last edited by Dindo80; 27th January 2011 at 08:19 AM.