well if you have a lot of stuff on your phone then yeah.. once your done DL the RUU_Ace_Cingular_US_1.80.502.3_Radio_18.104.22.168_2 6.06.04.06_M_release.zip Run as Admin then follow what the Pc set up. You should have no issues. Let us know if you got it done.
I followed this exactly. Full battery to start. The S-on tool worked right away as did the RUU. I could see the progress on the pc as well as on the phone screen. It took about 10 minutes to complete and after it finished the phone shut off (I was assuming to reboot) but it did not turn back on. I let everything sit for a few minutes thinking maybe it was still processing. The phone will not turn on and is completely unresponsive. BRICKED - now what