iOS11 released a lot of ** for half a month, and recently saw some people say that after the upgrade of iOS11 home TV's screencast function can not be used, tried several TV/box devices around, and indeed some can not normally perform the screen operation, There will be no connection, black screen phenomenon, what is the reason? 
Smart TV/box information can focus on smart TV information network sofa butler (http://), China's influential TV box and smart TV website, providing information, communication, TV boxes, smart TVs, smart TV software, etc. Answering questions.
What is AirPlay?
AirPlay refers to Apple's unique wireless technology. With it, under the same network conditions, images, audio, and video of iOS devices such as iPhones and iPads can be transferred to devices that support AirPlay, or to iPhones and iPads. The real-time image is transmitted to the TV, which is the mirror image. Most smart TVs currently support AirPlay, and Android devices use Miracast.
Why does throwing screen fail after upgrading iOS11?
Pull up to open the iPhone's control panel and you can see that the name of the function button for the screen shot has changed from the original "AirPlay mirror" to "screen mirror". In addition, Apple has also improved the mirroring service by changing the device's Streaming mode to enhance the screen performance and fluency, of course, is good for Apple TV, but after the image component and the version of the agreement changes, some other devices will appear incompatible issues, so some TV / box will fail to vote Screen situation.
iOS10 splash screen interface
iOS11 splash screen interface
Although the content of smart TVs is increasing, it is impossible to achieve full coverage. Especially now that all video platforms focus on exclusive home-made content, if you feel that it is troublesome to install software or search on TV, the screencast is very good. The way, so this feature is still very practical, in addition to waiting for the TV system upgrade to complete the new version of AirPlay adaptation, you can also try the following methods.
1. Install third-party screen-casting software
Some of the third-party screen-casting software has been adapted to the upgraded AirPlay, such as music player screen-casting, which can be downloaded through the application market of the computer or TV. After the installation, the newly-applied device name is selected when the screen-cast operation is performed. This screen shot can be performed normally.
2, through the converter to achieve wired screen
The screen can also be completed using a wired connection, and the phone and the TV can be connected via the converter and the HDMI cable. The wired connection is slightly more troublesome than the wireless screencast. The distance between the mobile phone and the TV should not be too far away, and the conversion line for the connection between the mobile phone and the TV is not cheap (Apple's official website price is 428 yuan). The advantage is that it is relatively stable and gets rid of Dependency on the network.
Lightning digital video and audio converter on Apple's official website
If you have problems with your home TV that cannot be screened, try these two options. Smart TV/box information can focus on smart TV information network sofa butler (http://), China's influential TV box and smart TV website, providing information, communication, TV boxes, smart TVs, smart TV software, etc. Answering questions.
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