Originally Posted by takeshi
The handheld OS and the subsidy/network lock are unrelated.
I have a similar issue.
i unlocked the phone, used my Rogers SIM and then loaded the Rogers software through the desktop manager, no problems.
Then some software glitches came up so I reloaded the software and it worked fine for about 30 hours then back again. So my IT cohort says I'll fix it, and wipes it completely with the java program (made a backup first, of course) and then shows an error 507 (no OS) tried running it through the application loader and no software listed. Tried downloading the latest OS and still nothing.
Went to AT&T got the latest version, and bam it loads right up.
So somewhere deep in the phone it knows to only look for the original providers version. Gonna contact a buddy at RIM to find out whats up.