[kalibar]

Thanks for the responses, guys. Had already tried the battery removal and soft resets with no luck.

lightbiter, thanks for the reminder about getting into the bootloader -- I had forgotten it was possible to do that. Unfortunately, that's not doing the trick for me either. When I try to re-flash my official Sprint ROM, the progress bar never gets past 0%, the device reboots, the process fails, and I get the following error message:



This has happened each time across three attempts now -- any ideas what I may be doing wrong?