HTC HD2 Smartphone "quietly brilliant" Questions

how to unlock my quietly brilliant I lOcked my phone and forgot the code Locked my phone and forgot my code Try entering 0000

quietly brilliant screen flashed on and blright back off in less than a second. And it kept repeating that process. What is wrong and how do I fix it? Have you tried taking out the battery and waiting

...quietly brilliant then it goes off and i get same again over and over Try be removing your SD card (Memory Card) and see it happen again.Hope your OS (Operating System) has been corrupted. So please ...