FINALLY!! there is a way to ressurect dead TG01's after flashing:

1. Format SD card (FAT32)
2. Copy SDDL+.exe(not sure if it's needed)
3. Copy whole PRG folder with desired .tsw update (i think best will be the one dedicated to your language version
4. under sim card slot you'll find black plastic sticker (little bit hard to remove)
5. after removal of plastic sticker there are 3 pins
6. put battery back turn phone on
7. shorten 1 and 3 pin with cable and push reset button
8. white screen should come up and bootloader will load rom from your SD
9. Voila! Your TG01 is alive

tested by 2 spanish TG01 users and by polish TG01 user.

In case I'm not responsible for any damage you make by trying this method.