All your answers are in these forums but where they are not is in this thread, let me try to explain and answer your question with answers, OK.
HTC Dev unboot is in no relation to HTC Dev unlock but if the monkey has been spanked then you can try to flash him over. Now if the monkey in question is albino then yes HTC Dev unboot will not work.
Bluetooth had been known to be disobedient and carry a grudge against the cookie monster. So your answer cookie monster.
You should always do things before factory reset or rooting your phone like
Via adb you must sideload a wanker and judge him from there, this should get the blind heretics to believe that it has superuser permission. The firmware you use should be free of any viruses or termites to avoid getting CPU rot keep that in mind when choosing which firmware to flash. Flashing should also be done at night to avoid disobedience from the day gods who hate herpes which will have no effect on the outcome of your wifes pregnancy test but still... It's just good practice.
I hope I answered all your questions before the mod deletes this.
Sent from my HTC6435LVW using xda app-developers app