the_screen_is_unresponsive_有道手机词典

1.If you choose to cancel and your device is unresponsive with black screen just hold the power button until it reboots, this is normal.
如果你选择取消那么黑屏是没有关系的，只要按住开关按钮直到他重启，这是正常的。
dict.yoduao.com