Originally Posted by highaltitude
I had the same problem, then I installed SDk and all was good. The Side Loader worked great yesterday. Now today my serial doesn't show up again. Is there any set way to get it to work all the time?
I wasn't able to figure out how to make it work more than once. I rooted & debranded my phone which lets me now load apps without the AT&T restrictions.
I'd say hang on until 2.1 is updated for you before going this route unless you don't mind voiding warranties by unlocking the phone.