I was at this point when my sonturned my computer off.Unplug the USB cable from your computer. (if you don't, that's okay,
you'll just see Windows pop up some errors as you continue below.)
Bootloader should be highlighted in blue - Press the power to execute. The screen will change and Fastboot will be selected. Around 10 seconds later
it will then proceed to the next step.
You should see several files loaded and checked.Don't freak at the warnings.
The screen will eventually clear and you will see "checking pd05img.zip."
Eventually, you will be asked: Do you want to start update?
Press the volume up button to say yes.
Once you do, you will see a progress bar in the upper right corner
and a bunch of stuff going on in the middle.Be Patient and let it do its thing.
Press power to reboot.
It might actually power down (vs. reboot) at this step.
If your screen goes back for more than 30-seconds, try powering back on.
Once Sense is booted up, unlock your screen to enter the setup wizard.
Hit Next - Skip - Skip Setup - Next - Next - Next - Finish
Then hit the menu capacitive button -
settings - applications - development - check USB debugging - then click Ok
Plug the Thunderbolt into your computer.
Swipe down on notification panel.
Make sure its in "Charge Only" mode, if not select it and hit done
If all above conditions
Where do I start from?