Mobile phone appears black screen, the screen is flashing how is it?
At the same time press the shutdown / power button + home key to force shutdown, and then restart it again on the line.
If it is unknown, it is recommended to solve the brush machine.
Mobile phone no problem, mistakenly entered the DFU mode as a result can not be opened is considered a mobile phone failure, in fact, a good solution. Only need to hold down the power button and Home button, etc. iphone response on the line, usually 10 seconds.
This black screen can be attributed to the instability of the automatic shutdown, because the machine is not good quality, resulting in no reason to shut down. Because the hardware is not a big problem, so directly press the boot button and so on to boot.
