HTC has announced that HTC Chacha, Desire Z, Aria, Droid Incredible, Status and G2 users will now be able to unlock the bootloader of their devices from htcdev.com. After unlocking the bootloader, you will finally to able flash custom ROMs and do some more tweaks on your phone.
You can get an idea of the unlock process below:
We’ve added Bootloader Unlock support for the HTC Desire Z, ChaCha, Aria, DROID Incredible, Status, and T-Mobile G2 at htcdev.com!
— HTCdev (@htcdev) January 16, 2012