Prior to getting GB, I had the stock andriod OS (2.2) I believe and I was rooted with z4. I unrooted before I download GB 608 and now every time i try to re-root using the D3 rooting, it will reboot my phoen and I get to a black screen that says something about Bootloader and some other thing about a USB cable. I can't go anywhere past that. I really miss my root and I do like GB 608. Any help is appreciated.