I got some problem in fastboot mode.
My phone is sola.
when i press volume up key and plug the use cable.
My computer's device manager appear "S1 boot xxx".And I quicklly press that and install the drive that dodwnload from the page.
then I open the terminal window and type "fastboot.exe -i 0x0fce getvar version"
then appear the following message.
"< waiting for device >"
maybe I do something wrong???
My computer os is win 7 x64.