I used adb and it worked "MAKE SURE THAT YOU LOCK THE PERMISSION with CHMOD 755 or it will not work"
put the tablet in airplane mode
I download the file put into C:\ of desk top
I had backup my original by using adb pull /system/bin/wpa_supplicant
these are commands and responses
>adb shell
root@android:/ # su
su
root@android:/ # mount -o rw,remount -t yaffs2 /dev/block/mtdblock3 /system
mount -o rw,remount -t yaffs2 /dev/block/mtdblock3 /system
root@android:/ # chmod 777 /system
chmod 777 /system
root@android:/ # chmod 777 /system/bin
chmod 777 /system/bin
root@android:/ # chmod 777 /system/bin/wpa_supplicant
chmod 777 /system/bin/wpa_supplicant
root@android:/ # exit
exit
root@android:/ # exit
exit
>adb push c:\wpa_supplicant /system/bin/wpa_supplicant
1267 KB/s (295964 bytes in 0.228s)
>adb shell
root@android:/ # su
su
root@android:/ # mount -o rw,remount -t yaffs2 /dev/block/mtdblock3 /system
mount -o rw,remount -t yaffs2 /dev/block/mtdblock3 /system
root@android:/ # chmod 755 /system/bin/wpa_supplicant
chmod 755 /system/bin/wpa_supplicant
root@android:/ # chmod 755 /system/bin
chmod 755 /system/bin
root@android:/ # chmod 755 /system
chmod 755 /system
root@android:/ # exit
exit
root@android:/ # exit
exit