刷机备份
c:\tools\blackrose_111231_2\other>adb-w.exe reboot recovery
* daemon not running. starting it now on port 5037 *
* daemon started successfully *
error: device not found
（这是在hboot下，是重启不了）
c:\tools\blackrose_111231_2\other>adb-w.exe shell
error: device not found
c:\tools\blackrose_111231_2\other>adb-w.exe devices
List of devices attached
c:\tools\blackrose_111231_2\other>adb-w.exe devices
List of devices attached
HT9CVP806264 device
c:\tools\blackrose_111231_2\other>adb-w.exe reboot recovery
(这次成功，是因为系统跳过了hboot，进了系统或者挂在某个地方)
c:\tools\blackrose_111231_2\other>fastboot-w devices
c:\tools\blackrose_111231_2\other>
